**GPSC Executive Engineer (Mechanical) and Deputy Executive Engineer (Mechanical) under Gujarat Water Supply and Sewerage Board (GWSSB) Exam Syllabus:**

**Note:**The medium of the examination shall be English. The medium of Part I General Studies of Paper-1 shall be in Gujarati and English. Gujarati and English Papers in Main Examination shall be in respective Language only. In case of question of interpretation of syllabus, the interpretation of English shall be final.

**Scheme of Examination GPSC Executive Engineer (Mechanical) and Deputy Executive Engineer (Mechanical):**

**1. Preliminary Examination:**

*** Paper No. 1**| Objective | Part-I General Studies & Part-II Mechanical Engineering Aptitude | 2 Hours | 200 Marks

*** Paper No. 1**| Objective | Mechanical Engineering | 3 Hours | 300 Marks

* Total Marks 500

(The Preliminary Examination is a screening test only and marks obtained in the
preliminary test shall not be counted for final selection.)

**2. Main Examination:**

*** Paper No. 1**| Descriptive | Gujarati | 2 Hours | 100 Marks

*** Paper No. 2**| Descriptive | English | 2 Hours | 100 Marks

*** Paper No. 3**| Descriptive | Mechanical Engineering -1 | 2 Hours | 200 Marks

*** Paper No. 4**| Descriptive | Mechanical Engineering-2 | 2 Hours | 200 Marks

*** Paper No. 5**| Descriptive | Mechanical Engineering-3 | 2 Hours | 200 Marks

* Total Marks of written Examination : 800

* Interview
(Only for the candidates who are declared qualified in Main
Written Examination) : 100

* Total Marks to be considered for Final Selection : 900

**Detailed Syllabus Of GPSC Executive Engineer (Mechanical) & Deputy Executive Engineer (Mechanical) Preliminary and Main Examination:**

**Paper 1: General Studies and Mechanical Engineering (Preliminary Exam)**

1. Indus valley Civilization: Features, Sites, Society, Cultural History, Art
and Religion. Vedic age. Important Dynasties of India and Gujarat –
Impact and Contribution, Important Policies, their administration,
economy, society, religion, literature, arts and architecture. India’s
Freedom Movement, Revolutionaries in India and abroad.
Achievements and administrative reforms of the rulers of princely states
of Saurashtra, Kutchh and Gujarat.

2. Cultural Heritage of India and Gujarat: Art forms, Literature, Litterateurs,
Sculpture and Architecture, Important organizations and institutions.

3. Geography of India and Gujarat: Physical, Social and Economic. General
issues, legal aspect, policies and treaties on Environment Ecology, Biodiversity and Climate Change. Forest and Wildlife Conservation in India.
Environmental Hazards, Pollution, Carbon Emission, Global warming.

4. Indian Constitution: Evolution, features, Preamble, Fundamental Rights,
Fundamental Duties, Directive Principles of State Policy, Amendments,
Significant Provisions and Basic Structure. Panchayati Raj, Public Policy
and Governance. Rights Issues (Human rights, Women rights, SC/ST rights, Child rights) etc. Important Policies and Programmes of Central
and State Governments. India’s Foreign Policy: International Relations,
Important Institutions, Agencies and Fora, their structure and mandate.

5. Indian Economy: Emergence and development of planning exercise in
India, Performance, Dynamics, Challenges, New Initiatives, Reforms
etc. by the State and Central Government. Important Events,
Developments and Social Sector Initiatives. NITI Aayog: aims,
constitution and functions. Social Audit. Regulatory framework for money
and banking: concepts, structure and role.

6. Science and Technology: Relevance of Science & Technology to the
day to day life; Institutions and Organization in India promoting
integration of Science, Technology and Innovation, their activities and
contribution; Contribution of Prominent Indian Scientists. Awareness in
the field of Information and Communication Technology (ICT), Space
Technology, Technology in Defence, Biotechnology, Nanotechnology
etc. Energy policy of India, Nuclear Policy of India.

7. Current Events of Regional, National and International importance.

**Part 2 Of Paper 1 : Mechanical Engineering Aptitude (Preliminary Exam) :**

Engineering Aptitude covering Logical reasoning and Analytical ability.

Engineering Mathematics and Numerical Analysis.

General Principles of Design, Drawing, Importance of Safety.

Standards and Quality practices in production, construction,
maintenance and services.

Theory of Machines.

Basics of Electrical Engineering

Basics of Semiconductor Devices.

Basics of Energy and Environment: Conservation, environmental
pollution and degradation, Climate Change, Environmental impact
assessment.

Basics of Project Management.

Basics of Material Science and Engineering.

Information and Communication Technologies (ICT) based tools and
their applications in Engineering such as networking, e-governance and
technology based education.

Ethics and values in engineering profession.

**Paper 2: Mechanical Engineering (Preliminary Exam):**

1. THERMODYNAMICS:
Fundamentals- thermodynamic systems and control Volume; Thermodynamic
Properties, Process and state; Exact and Inexact differentials; WorkThermodynamic definition; Temperature, Definition of thermal equilibrium and
Zeroth law; Definition of heat; Definition of Pure substance, Ideal Gases and
ideal gas mixtures, Real gases and real gas mixtures, Properties of pure
substances, behavior of ideal and real gases; Definitions of saturated states;
Identification of states & determination of properties, Mollier’s chart.
First Law for Cyclic & Non-cyclic processes; Concept of total energy E;
Various modes of energy, Internal energy and Enthalpy.
Second law - Definitions of direct and reverse heat engines; Definitions of
thermal efficiency and COP; Kelvin-Planck and Clausius statements;
Definition of reversible process; Internal and external irreversibility; Carnot
cycle; Absolute temperature scale.
Clausius inequality; Definition of entropy S ; Evaluation of S for solids, liquids,
ideal gases and ideal gas mixtures undergoing various processes; Principle
of increase of entropy; Definition of Isentropic efficiency for compressors,
turbines and nozzles- Irreversibility and Availability, Availability function for
systems and Control volumes undergoing different processes, Lost work.
Second law analysis for a control volume. Exergy balance equation and
Exergy analysis.
Thermodynamic cycles - Basic Rankine cycle; Basic Brayton cycle; Basic
vapor compression cycle and comparison with Carnot cycle.

2. HEAT-TRANSFER:
Introduction to three modes of heat transfer, heat balance equation- Steady
one dimensional solution for conduction heat transfer, concept of conduction
and film resistances, critical insulation thickness, lumped system
approximation and Biot number, heat transfer through pin fins- Two
dimensional conduction solutions for both steady and unsteady heat transfer,
Heissler charts.
Heat convection, basic equations, boundary layers- Forced convection,
external and internal flows- Natural convective heat transfer- Dimensionless
parameters for forced and free convection heat transfer-Correlations for
forced and free convection- Approximate solutions to laminar boundary layer
equations (momentum and energy) for both internal and external flowEstimating heat transfer rates in laminar and turbulent flow situations using
appropriate correlations for free and forced convection.
Interaction of radiation with materials, definitions of radiative properties,
Stefan Boltzmann’s law, black and gray body radiation, Wien's displacement
law
Types of heat exchangers, Analysis and design of heat exchangers using
both LMTD and NTU methods,
Introduction to mass transfer, Similarity between heat and mass transfer.

3. Mathematics:
Multivariable Calculus (Integration), Multiple Integration, Double integrals
(Cartesian), change of order of integration in double integrals, Change of
variables (Cartesian to polar), Applications: areas and volumes, Center of
mass and Gravity (constant and variable densities); Triple integrals
(Cartesian), orthogonal curvilinear coordinates, Simple applications involving
cubes, sphere and rectangular parallelepipeds; Scalar line integrals, vector
line integrals, scalar surface integrals, vector surface integrals, Theorems of
Green, Gauss and Stokes. First order ordinary differential equations: Exact, linear and Bernoulli’s
equations, Euler’s equations, Equations not of first degree: equations
solvable for p, equations solvable for y, equations solvable for x and
Clairaut’s type.
Ordinary differential equations of higher orders: Second order linear
differential equations with variable coefficients, method of variation of
parameters, Cauchy-Euler equation; Power series solutions; Legendre
polynomials, Bessel functions of the first kind and their properties.
Complex Variable – Differentiation: Differentiation, Cauchy-Riemann
equations, analytic functions, harmonic functions, finding harmonic conjugate;
elementary analytic functions (exponential, trigonometric, logarithm) and their
properties; Conformal mappings, Mobius transformations and their properties.
Complex Variable – Integration: Contour integrals, Cauchy-Goursat theorem
(without proof), Cauchy Integral formula (without proof), Liouville’s theorem
and Maximum-Modulus theorem (without proof); Taylor’s series, zeros of
analytic functions, singularities, Laurent’s series; Residues, Cauchy Residue
theorem (without proof), Evaluation of definite integral involving sine and
cosine, Evaluation of certain improper integrals using the Bromwich contour.

4. Fluid Mechanics:
Definition of fluid, Newton’s law of viscosity, Units and dimensions-Properties
of fluids, mass density, specific volume, specific gravity, viscosity,
compressibility and surface tension, manometry, buoyancy, forces on
submerged bodies, stability of floating bodies, fluid acceleration, fluid statics,
momentum and energy, Control volume- application of continuity equation
and momentum equation, Incompressible flow, Bernoulli’s equation and its
applications.
Exact flow solutions in channels and ducts, Couette and Poisuielle flow,
laminar flow through circular conduits and circular annuli- concept of
boundary layer – measures of boundary layer thickness – Darcy Weisbach equation, friction factor, Moody’s diagram. Elementary turbulent flow, flow
through pipes, head losses in pipes, bends and fittings, Types of Pipes.
Need for dimensional analysis–methods of dimension analysis–Similitude–
types of similitude Dimensionless parameters–application of dimensionless
parameters–Model analysis.
Euler’s equation – theory of Rotodynamic machines – various efficiencies –
velocity components at entry and exit of the rotor, velocity triangles –
Centrifugal pumps, working principle, work done by the impeller, performance
curves – Cavitation in pumps- Reciprocating pump–working principle.
Classification of water turbines, heads and efficiencies, velocity trianglesAxial, radial and mixed flow turbines- Pelton wheel, Francis turbine and
Kaplan turbines, working principles – draft tube-Specific speed, unit
quantities, performance curves for turbines – governing of turbines.
Types of Pumps, Pump viscosity, Centrifugal, NPSH, Pump curves,
Progressive cavity, Screw pumps, Rope Pump, Submersible, Vertical turbine,
Coupling section, Motor section, Well Section, Hydraulic Principles, General
pumping fundamental.
Spillways-Types of spillway based on most prominent features, Spillway
Crest Gates.
Flood Management: Methods of Flood Control, Flood Alleviation or Flood
Mitigation, Structural Mitigation Measures, Non-Structural Mitigation
Measures.

5. Power Engineering and Power Plant Engineering:
Air and gas compressors; vapor and gas power cycles, concepts of
regeneration and reheat.
Coal based thermal power plants, basic Rankine cycle and its modifications,
layout of modern coal power plant, super critical boilers, FBC boilers, turbines, condensers, steam and heating rates, subsystems of thermal
power plants, fuel and ash handling, draught system, feed water treatment,
binary cycles and cogeneration systems
Gas turbine and combined cycle power plants, Brayton cycle analysis and
optimization, components of gas turbine power plants, combined cycle power
plants, Integrated Gasifier based Combined Cycle (IGCC) systems.
Basics of nuclear energy conversion, Layout and subsystems of nuclear
power plants, Boiling Water Reactor (BWR), Pressurized Water Reactor
(PWR), CANDU Reactor, Pressurized Heavy Water Reactor (PHWR), Fast
Breeder Reactors (FBR), gas cooled and liquid metal cooled reactors, safety
measures for nuclear power plants.
Hydroelectric power plants, classification, typical layout and components,
principles of wind, tidal, solar PV and solar thermal, geothermal, biogas and
fuel cell power systems
Energy, economic and environmental issues, power tariffs, load distribution
parameters, load curve, capital and operating cost of different power plants,
pollution control technologies including waste disposal options for coal and
nuclear plants.

6. I.C. Engines:
Combustion in SI and CI engines, Combustion stages, Combustion chambers
and abnormal combustion. Fuel supply systems in SI and CI engines,
carburetors, Port fuel injection, direct injection and Common rail injection.
Ignition system, Lubrication system and Cooling system. Testing of IC
engines. Engine emissions and control. Advanced IC Engine concepts Airstandard Otto, Diesel and dual cycles.
Engine Management, Engine System, Engine Mapping, Open Loop Engine
Control Systems, Closed loop Engine Control System, Additional Engine
Management System, lean burn engine control. Complete Vehicle Control
System, Artificial intelligence and Engine management. Maintenance and fault diagnostics of engine management system, Engine diagnostics,
Troubles and Tune-up, Engine service. Vehicle performance-performance
parameters.
Heavy Earth Movers, Types of Excavators, Dumpers, Draggers, Cranes.

7. Refrigeration and air-conditioning:
Vapour and gas refrigeration and heat pump cycles; properties of moist air,
psychrometric chart, basic psychrometric processes.

8. Strength of Materials:
Deformation in solids- Hooke’s law, stress and strain- tension, compression
and shear stresses-elastic constants and their relations- volumetric, linear
and shear strains- principal stresses and principal planes- Mohr’s circle,
Poisson’s Ratio.
Beams and types transverse loading on beams- shear force and bend
moment diagrams- Types of beam supports, simply supported and overhanging beams, cantilevers. Theory of bending of beams, bending stress
distribution and neutral axis, shear stress distribution, point and distributed
loads.
Moment of inertia about an axis and polar moment of inertia, deflection of a
beam using double integration method, computation of slopes and deflection
in beams, Maxwell’s reciprocal theorems.
Torsion, stresses and deformation in circular and hollow shafts, stepped
shafts, deflection of shafts fixed at ends, stresses and deflection of helical
springs.
Axial and hoop stresses in cylinders subjected to internal pressure,
deformation of thick and thin cylinders, deformation in spherical shells
subjected to internal pressure. Euler’s Theory of columns, Energy methods, Thermal Stress, Strain Gauge
and rosettes, Testing of Materials with Universal testing Machine, Testing of
Hardness and Impact Strength.

9. Engineering Mechanics:
Free-body diagrams and equilibrium; trusses and frames; virtual work;
kinematics and dynamics of particles and of rigid bodies in plane motion;
impulse and momentum (linear and angular) and energy formulations,
collisions.

10. Kinematics and Theory of Machines:
Classification of mechanisms-Basic kinematic concepts and definitionsDegree of freedom, mobility- Grashof’s law, Universal Joint-Rocker
mechanisms Displacement, velocity and acceleration analysis of plane
mechanisms; dynamic analysis of linkages; cams; gears and gear trains;
flywheels and governors; balancing of reciprocating and rotating masses;
gyroscope.
Pumps and Motors, Compressors.

11. Engineering Materials:
Structure and properties of engineering materials, phase diagrams, heat
treatment, stress-strain diagrams for engineering materials. Young’s
modulus, generalized Hooke’s law, yielding and yield strength, ductility,
resilience, toughness and elastic recovery; Hardness: Rockwell, Brinell and
Vickers and their relation to strength. Static failure theories: Ductile and brittle
failure mechanisms, Maximum normal stress, Mohr-Coulomb and Modified
Mohr-Coulomb; Fracture mechanics: Introduction to Stress- intensity factor
approach and Griffith criterion. Fatigue failure: High cycle fatigue, Stress-life
approach, SN curve, endurance and fatigue limits, effects of mean stress
using the Modified Goodman diagram; Introduction to non-destructive testing
(NDT).

12. Manufacturing Processes:
Different types of castings, design of patterns, moulds and cores;
solidification and cooling; riser and gating design. Plastic deformation and
yield criteria; fundamentals of hot and cold working processes; load
estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing,
deep drawing, bending) metal forming processes; principles of powder
metallurgy. Principles of welding, brazing, soldering and adhesive bonding,
Welding and weld Testing, Classifying Welding process, Fusion versus nonfusion, Pressure versus non-pressure, Energy source of welding, other basis
for classification and sub-classification.
Heat treatment process-Annealing, tempering, normalizing and spheroidising,
Alloying of steel, properties of stainless steel and tool steels, maraging steelscast irons; grey, white, malleable and spheroidal cast irons- copper and
copper alloys; brass, bronze and cupro-nickel; Aluminum and Al-Cu – Mg
alloys- Nickel based super alloys and Titanium alloys.
Unconventional Machining Processes: Abrasive Jet Machining, Water Jet
Machining, Abrasive Water Jet Machining, Ultrasonic Machining, principles
and process parameters, Electrical Discharge Machining, principle and
processes parameters, MRR, surface finish, tool wear, dielectric, power and
control circuits, wire EDM; Electro-chemical machining (ECM), etchant &
maskant, process parameters, MRR and surface finish. Laser Beam
Machining (LBM), Plasma Arc Machining (PAM) and Electron Beam
Machining.

13. Metrology and Inspection:
Limits, fits and tolerances; linear and angular measurements; comparators;
gauge design; interferometry; form and finish measurement; alignment and
testing methods; tolerance analysis in manufacturing and assembly.

14. Computer Integrated Manufacturing:
Basic concepts of CAD/CAM and their integration tools. NC/CNC Technology
and Part programming, Microprocessors in Automation.

15. Design of Machine Elements
Design considerations - limits, fits and standardization, Review of failure
theories for static and dynamic loading (including fatigue failure), Design of
shafts under static and fatigue loadings, Analysis and design of sliding and
rolling contact bearings, Design of transmission elements: spur, helical, bevel
and worm gears; belt and chain drives, Design of springs: helical
compression, tension, torsional and leaf springs, Design of joints: threaded
fasteners, pre-loaded bolts and welded joints, Analysis and applications of
power screws and couplings, Analysis of clutches and brakes

16. Basic Electronic Engineering
Semiconductor Devices and Applications: Introduction to P-N junction Diode
and V-I characteristics, Half wave and Full-wave rectifiers, capacitor filter.
Zener diode and its characteristics, Zener diode as voltage regulator.
Regulated power supply IC based on 78XX and 79XX series, Introduction to
BJT, it’s input-output and transfer characteristics, BJT as a single stage CE
amplifier, frequency response and bandwidth.

17. Operations Research:
Linear programming, simplex method, transportation, assignment, network
flow models, simple queuing models, PERT and CPM

18. Current Trends and Recent Advancements in the field of Mechanical
Engineering.

**Detailed Syllabus Of UPSC Mains Exam:**

**Paper-1 : Gujarati (Main Examination)**

**Paper-2 : English (Main Examination)**

- Subject Code: MEM2
- (Descriptive)
- MARKS - 100
- Medium: English
- Time- 2 HOURS

1) ESSAY (A minimum of 250 words and a
maximum of 300 words): Choose any one topic
from a list of five. (Descriptive/ analytical/
philosophical/ based on Current Affairs)

2) LETTER WRITING (in about 150 words):
A formal letter expressing one’s opinion about an
issue. The issues can deal with daily office
matters/ a problem that has occurred in the office/
an opinion in response to one sought by a ranked
officer/issues pertaining to recent concern etc.

3) REPORT WRITING (in about 200 words):
A report on an official function/event/field trip/survey
etc.

4) WRITING ON VISUAL INFORMATION (in about 150
words) : A report on a graph/image/ flow chart/table
of comparison/ simple statistical data etc.

5) FORMAL SPEECH (in about 150 words):
A speech (in a formal style) that is to be read out
in a formal function. This could be an inauguration
speech, an educational seminar/conference, a
formal ceremony of importance etc.

6) PRECIS WRITING:
A precis in about 100 words for a 300-word passage

7) READING COMPREHENSION:
A reading passage of about 250 words to be
given followed by short-answer type
questions.

8) ENGLISH GRAMMAR:

- Tenses
- Voice
- Narration (Direct-Indirect)
- Transformation of sentences
- Use of Articles and Determiners
- Use of Prepositions
- Use of Phrasal verbs
- Use of idiomatic expressions
- Administrative Glossary
- Synonyms/Antonyms

9) TRANSLATION:
Translation of a short passage (of about 150 words)
from Gujarati to English.

**Paper 3: Mechanical Engineering 1**

- Subject Code-MEM3
- Descriptive
- Marks-200
- Medium- English
- Time: 3 hours

1. THERMODYNAMICS:
Fundamentals- thermodynamic systems and control Volume; Thermodynamic
Properties, Process and state; Exact and Inexact differentials; WorkThermodynamic definition; Temperature, Definition of thermal equilibrium and
Zeroth law; Definition of heat; Definition of Pure substance, Ideal Gases and
ideal gas mixtures, Real gases and real gas mixtures, Properties of pure
substances, behavior of ideal and real gases; Definitions of saturated states;
Identification of states & determination of properties, Mollier’s chart.
First Law for Cyclic & Non-cyclic processes; Concept of total energy E;
Various modes of energy, Internal energy and Enthalpy.
Second law - Definitions of direct and reverse heat engines; Definitions of
thermal efficiency and COP; Kelvin-Planck and Clausius statements;
Definition of reversible process; Internal and external irreversibility; Carnot
cycle; Absolute temperature scale.
Clausius inequality; Definition of entropy S ; Evaluation of S for solids, liquids,
ideal gases and ideal gas mixtures undergoing various processes; Principle
of increase of entropy; Definition of Isentropic efficiency for compressors,
turbines and nozzles- Irreversibility and Availability, Availability function for
systems and Control volumes undergoing different processes, Lost work. Second law analysis for a control volume. Exergy balance equation and
Exergy analysis.
Thermodynamic cycles - Basic Rankine cycle; Basic Brayton cycle; Basic
vapor compression cycle and comparison with Carnot cycle.

2. Applied Thermodynamics
Introduction to solid, liquid and gaseous fuels– Stoichiometry, exhaust gas
analysis- First law analysis of combustion reactions- Heat calculations using
enthalpy tables- Adiabatic flame temperature- Chemical equilibrium and
equilibrium composition calculations using free energy.
Vapor power cycles Rankine cycle with superheat, reheat and
regeneration,exergy analysis. Super-critical and ultra super-critical Rankine
cycle- Gas power cycles, Air standard Otto, Diesel and Dual cycles-Air
standard Brayton cycle,effect of reheat, regeneration and intercoolingCombined gas and vapor power cycles- Vapor compression refrigeration
cycles, refrigerants and their properties.
Properties of dry and wet air,use of pschyrometric chart, processes involving
heating/cooling and humidification/dehumidification, dew point.
Basicsof compressible flow. Stagnation properties, Isentropic flow of a perfect
gas through a nozzle, choked flow, subsonic and supersonic flows- normal
shocks- use of ideal gas tables for isentropic flow and normal shock flowFlow of steam and refrigerant through nozzle,supersaturation- compressible
flow in diffusers, efficiency of nozzle and diffuser.
Reciprocating compressors, staging of reciprocating compressors, optimal
stage pressure ratio, effect of intercooling, minimum work for multistage
reciprocating compressors.
Analysis of steam turbines, velocity and pressure compounding of steam
turbines.

3. Kinematics and Theory of Machines
Classification of mechanisms- Basic kinematic concepts and definitionsDegree of freedom, mobility- Grashof’s law, Kinematic inversions of four bar
chain and slider crank chains- Limit positions- Mechanical advantageTransmission angle- Description of some common mechanisms- Quick return
mechanism, straight line generators- Universal Joint- Rocker mechanisms.
Displacement, velocity and acceleration analysis of simple mechanisms,
graphical velocity analysis using instantaneous centers, velocity and
acceleration analysis using loop closure equations- kinematic analysis of
simple mechanisms- slider crank mechanism dynamics Coincident pointsCoriolis component of acceleration- introduction to linkage synthesisthree
position graphical synthesis for motion and path generation.
Classification of cams and followers- Terminology and definitionsDisplacement diagrams-Uniform velocity, parabolic, simple harmonic and
cycloidal motions- derivatives of follower motions- specified contour camscircular and tangent cams- pressure angle and undercutting, sizing of cams,
graphical and analytical disc cam profile synthesis for roller and flat face
followers.
Involute and cycloidal gear profiles, gear parameters, fundamental law of
gearing and conjugate action, spur gear contact ratio and
interference/undercutting- helical, bevel, worm, rack & pinion gears, epicyclic
and regular gear train kinematics.
Surface contacts- sliding and rolling friction- friction drives- bearings and
lubrication friction clutches- belt and rope drives- friction in brakes.

4. Fluid Mechanics:
Definition of fluid, Newton’s law of viscosity, Units and dimensions-Properties
of fluids, mass density, specific volume, specific gravity, viscosity,
compressibility and surface tension, manometry, buoyancy, forces on
submerged bodies, stability of floating bodies, fluid acceleration, fluid statics,
momentum and energy, Control volume- application of continuity equation
and momentum equation, Incompressible flow, Bernoulli’s equation and its
applications. Exact flow solutions in channels and ducts, Couette and Poisuielle flow,
laminar flow through circular conduits and circular annuli- concept of
boundary layer – measures of boundary layer thickness – Darcy Weisbach
equation, friction factor, Moody’s diagram. Elementary turbulent flow, flow
through pipes, head losses in pipes, bends and fittings, Types of Pipes.
Need for dimensional analysis–methods of dimension analysis–Similitude–
types of similitude Dimensionless parameters–application of dimensionless
parameters–Model analysis.
Euler’s equation – theory of Rotodynamic machines – various efficiencies –
velocity components at entry and exit of the rotor, velocity triangles –
Centrifugal pumps, working principle, work done by the impeller, performance
curves – Cavitation in pumps- Reciprocating pump–working principle.
Classification of water turbines, heads and efficiencies, velocity trianglesAxial, radial and mixed flow turbines- Pelton wheel, Francis turbine and
Kaplan turbines, working principles – draft tube-Specific speed, unit
quantities, performance curves for turbines – governing of turbines.
Types of Pumps, Pump viscosity, Centrifugal, NPSH, Pump curves,
Progressive cavity, Screw pumps, Rope Pump, Submersible, Vertical turbine,
Coupling section, Motor section, Well Section, Hydraulic Principles, General
pumping fundamental.
Spillways-Types of spillway based on most prominent features, Spillway
Crest Gates.
Flood Management: Methods of Flood Control, Flood Alleviation or Flood
Mitigation, Structural Mitigation Measures, Non-Structural Mitigation
Measures.

5. I.C. Engines:
Combustion in SI and CI engines, Combustion stages, Combustion chambers
and abnormal combustion. Fuel supply systems in SI and CI engines, carburetors, Port fuel injection, direct injection and Common rail injection.
Ignition system, Lubrication system and Cooling system. Testing of IC
engines. Engine emissions and control. Advanced IC Engine concepts Airstandard Otto, Diesel and dual cycles.
Engine Management, Engine System, Engine Mapping, Open Loop Engine
Control Systems, Closed loop Engine Control System, Additional Engine
Management System, lean burn engine control. Complete Vehicle Control
System, Artificial intelligence and Engine management. Maintenance and
fault diagnostics of engine management system, Engine diagnostics,
Troubles and Tune-up, Engine service. Vehicle performance-performance
parameters.
Heavy Earth Movers, Types of Excavators, Dumpers, Draggers, Cranes.

6. Engineering Materials:
Structure and properties of engineering materials, phase diagrams, heat
treatment, stress-strain diagrams for engineering materials. Young’s
modulus, generalized Hooke’s law, yielding and yield strength, ductility,
resilience, toughness and elastic recovery; Hardness: Rockwell, Brinell and
Vickers and their relation to strength. Static failure theories: Ductile and brittle
failure mechanisms, Maximum normal stress, Mohr-Coulomb and Modified
Mohr-Coulomb; Fracture mechanics: Introduction to Stress- intensity factor
approach and Griffith criterion. Fatigue failure: High cycle fatigue, Stress-life
approach, SN curve, endurance and fatigue limits, effects of mean stress
using the Modified Goodman diagram; Introduction to non-destructive testing
(NDT).

7. Energy Conservation and Management
Introduction to energy & power scenario of world, National Energy
consumption data and environmental aspects associated with energy
utilization; Energy Auditing- need, types, methodology and barriers, role of
energy managers, instruments of energy auditing. Components of EB billing, HT and LT supply, transformers, cable sizing;
Concept of capacitors, power factor improvement, harmonics; Electric motorsmotor efficiency computation, energy efficient motors; Illumination- Lux,
Lumens, types of lighting, efficacy, LED lighting and scope of energy
conservation in lighting.
Thermal systems, Boilers, Furnaces and Thermic Fluid heaters- efficiency
computation and energy conservation measures; Steam distribution and
usage, steam traps, condensate recovery, flash steam utilization; Insulation &
Refractories.
Energy conservation in major utilities; pumps, fans, blowers, compressed air
systems, Refrigeration& Air Conditioning systems, Cooling Towers, DG sets.
Energy Economics- discount period, payback period, internal rate of return,
net present value; Life Cycle costing- ESCO concept.

**Paper 4: Mechanical Engineering 2**

- Subject Code-MEM4
- Descriptive
- Marks-200
- Medium- English
- Time: 3 hours

1. HEAT-TRANSFER:
Introduction to three modes of heat transfer, heat balance equation- Steady
one dimensional solution for conduction heat transfer, concept of conduction
and film resistances, critical insulation thickness, lumped system
approximation and Biot number, heat transfer through pin fins- Two
dimensional conduction solutions for both steady and unsteady heat transfer,
Heissler charts.
Heat convection, basic equations, boundary layers- Forced convection,
external and internal flows- Natural convective heat transfer- Dimensionless
parameters for forced and free convection heat transfer-Correlations for
forced and free convection- Approximate solutions to laminar boundary layer
equations (momentum and energy) for both internal and external flowEstimating heat transfer rates in laminar and turbulent flow situations using
appropriate correlations for free and forced convection.
Interaction of radiation with materials, definitions of radiative properties,
Stefan Boltzmann’s law, black and gray body radiation, Wien's displacement
law Types of heat exchangers, Analysis and design of heat exchangers using
both LMTD and NTU methods,
Introduction mass transfer, Similarity between heat and mass transfer.

2. Refrigeration and air-conditioning:
Vapour and gas refrigeration and heat pump cycles; properties of moist air,
psychrometric chart, basic psychrometric processes.

3. Strength of Materials:
Deformation in solids- Hooke’s law, stress and strain- tension, compression
and shear stresses-elastic constants and their relations- volumetric, linear
and shear strains- principal stresses and principal planes- Mohr’s circle,
Poisson’s Ratio.
Beams and types transverse loading on beams- shear force and bend
moment diagrams- Types of beam supports, simply supported and overhanging beams, cantilevers. Theory of bending of beams, bending stress
distribution and neutral axis, shear stress distribution, point and distributed
loads.
Moment of inertia about an axis and polar moment of inertia, deflection of a
beam using double integration method, computation of slopes and deflection
in beams, Maxwell’s reciprocal theorems.
Torsion, stresses and deformation in circular and hollow shafts, stepped
shafts, deflection of shafts fixed at ends, stresses and deflection of helical
springs.
Axial and hoop stresses in cylinders subjected to internal pressure,
deformation of thick and thin cylinders, deformation in spherical shells
subjected to internal pressure. Euler’s Theory of columns, Energy methods, Thermal Stress, Strain Gauge
and rosettes, Testing of Materials with Universal testing Machine, Testing of
Hardness and Impact Strength.

4. Engineering Mechanics:
Free-body diagrams and equilibrium; trusses and frames; virtual work;
kinematics and dynamics of particles and of rigid bodies in plane motion;
impulse and momentum (linear and angular) and energy formulations,
collisions.

5. Design of Machine Elements
Design considerations - limits, fits and standardization, Review of failure
theories for static and dynamic loading (including fatigue failure), Design of
shafts under static and fatigue loadings, Analysis and design of sliding and
rolling contact bearings, Design of transmission elements: spur, helical, bevel
and worm gears; belt and chain drives, Design of springs: helical
compression, tension, torsional and leaf springs, Design of joints: threaded
fasteners, pre-loaded bolts and welded joints, Analysis and applications of
power screws and couplings, Analysis of clutches and brakes

6. Basic Electronic Engineering
Semiconductor Devices and Applications: Introduction to P-N junction Diode
and V-I characteristics, Half wave and Full-wave rectifiers, capacitor filter.
Zener diode and its characteristics, Zener diode as voltage regulator.
Regulated power supply IC based on 78XX and 79XX series, Introduction to
BJT, it’s input-output and transfer characteristics, BJT as a single stage CE
amplifier, frequency response and bandwidth.

7. Current Trends and Recent Advancements in the field of Mechanical
Engineering.

**Paper 5: Mechanical Engineering 3**

- Subject Code-MEM5
- Descriptive
- Marks-200
- Medium- English
- Time: 3 hours

1. Mathematics:
Multivariable Calculus (Integration), Multiple Integration, Double integrals
(Cartesian), change of order of integration in double integrals, Change of
variables (Cartesian to polar), Applications: areas and volumes, Center of
mass and Gravity (constant and variable densities); Triple integrals
(Cartesian), orthogonal curvilinear coordinates, Simple applications involving
cubes, sphere and rectangular parallelepipeds; Scalar line integrals, vector
line integrals, scalar surface integrals, vector surface integrals, Theorems of
Green, Gauss and Stokes.
First order ordinary differential equations: Exact, linear and Bernoulli’s
equations, Euler’s equations, Equations not of first degree: equations
solvable for p, equations solvable for y, equations solvable for x and
Clairaut’s type.
Ordinary differential equations of higher orders: Second order linear
differential equations with variable coefficients, method of variation of
parameters, Cauchy-Euler equation; Power series solutions; Legendre
polynomials, Bessel functions of the first kind and their properties.
Complex Variable – Differentiation: Differentiation, Cauchy-Riemann
equations, analytic functions, harmonic functions, finding harmonic conjugate;
Page 34 of 36
elementary analytic functions (exponential, trigonometric, logarithm) and their
properties; Conformal mappings, Mobius transformations and their properties.
Complex Variable – Integration: Contour integrals, Cauchy-Goursat theorem
(without proof), Cauchy Integral formula (without proof), Liouville’s theorem
and Maximum-Modulus theorem (without proof); Taylor’s series, zeros of
analytic functions, singularities, Laurent’s series; Residues, Cauchy Residue
theorem (without proof), Evaluation of definite integral involving sine and
cosine, Evaluation of certain improper integrals using the Bromwich contour.

2. Manufacturing Processes:
Different types of castings, design of patterns, moulds and cores;
solidification and cooling; riser and gating design. Plastic deformation and
yield criteria; fundamentals of hot and cold working processes; load
estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing,
deep drawing, bending) metal forming processes; principles of powder
metallurgy. Principles of welding, brazing, soldering and adhesive bonding,
Welding and weld Testing, Classifying Welding process, Fusion versus nonfusion, Pressure versus non-pressure, Energy source of welding, other basis
for classification and sub-classification.
Heat treatment process-Annealing, tempering, normalizing and spheroidising,
Alloying of steel, properties of stainless steel and tool steels, maraging steelscast irons; grey, white, malleable and spheroidal cast irons- copper and
copper alloys; brass, bronze and cupro-nickel; Aluminum and Al-Cu – Mg
alloys- Nickel based super alloys and Titanium alloys.
Unconventional Machining Processes: Abrasive Jet Machining, Water Jet
Machining, Abrasive Water Jet Machining, Ultrasonic Machining, principles
and process parameters (5)Electrical Discharge Machining, principle and
processes parameters, MRR, surface finish, tool wear, dielectric, power and
control circuits, wire EDM; Electro-chemical machining (ECM), etchant &
maskant, process parameters, MRR and surface finish. Laser Beam
Machining (LBM), Plasma Arc Machining (PAM) and Electron Beam
Machining.

3. Manufacturing Technology
Tooling for conventional and non-conventional machining processes: Mould
and die design, Press tools, Cutting tools; Holding tools: Jigs and fixtures,
principles, applications and design; press tools – configuration, design of die
and punch; principles of forging die design.
Metrology: Dimensions, forms and surface measurements, Limits, fits and
tolerances; linear and angular measurements; comparators; gauge design;
interferometry; Metrology in tool wear and part quality including surface
integrity, alignment and testing methods; tolerance analysis in manufacturing
and assembly. Process metrology for emerging machining processes such as
micro-scale machining, Inspection and workpiece quality.
Assembly practices: Manufacturing and assembly, process planning,
selective assembly, Material handling and devices.
Linear programming, objective function and constraints, graphical method,
Simplex and duplex algorithms, transportation assignment, Traveling
Salesman problem; Network models: shortest route, minimal spanning tree,
maximum flow model- Project networks: CPM and PERT, critical path
scheduling; Production planning& control: Forecasting models, aggregate
production planning, materials requirement planning. Inventory Models:
Economic Order Quantity, quantity discount models, stochastic inventory
models, practical inventory control models, JIT. Simple queuing theory
models.

4. Metrology and Inspection:
Limits, fits and tolerances; linear and angular measurements; comparators;
gauge design; interferometry; form and finish measurement; alignment and
testing methods; tolerance analysis in manufacturing and assembly.

5. Computer Integrated Manufacturing:
Basic concepts of CAD/CAM and their integration tools. NC/CNC Technology
and Part programming, Microprocessors in Automation.

6. Power Engineering and Power Plant Engineering:
Air and gas compressors; vapor and gas power cycles, concepts of
regeneration and reheat.
Coal based thermal power plants, basic Rankine cycle and its modifications,
layout of modern coal power plant, super critical boilers, FBC boilers,
turbines, condensers, steam and heating rates, subsystems of thermal
power plants, fuel and ash handling, draught system, feed water treatment,
binary cycles and cogeneration systems
Gas turbine and combined cycle power plants, Brayton cycle analysis and
optimization, components of gas turbine power plants, combined cycle power
plants, Integrated Gasifier based Combined Cycle (IGCC) systems.
Basics of nuclear energy conversion, Layout and subsystems of nuclear
power plants, Boiling Water Reactor (BWR), Pressurized Water Reactor
(PWR), CANDU Reactor, Pressurized Heavy Water Reactor (PHWR), Fast
Breeder Reactors (FBR), gas cooled and liquid metal cooled reactors, safety
measures for nuclear power plants.
Hydroelectric power plants, classification, typical layout and components,
principles of wind, tidal, solar PV and solar thermal, geothermal, biogas and
fuel cell power systems
Energy, economic and environmental issues, power tariffs, load distribution
parameters, load curve, capital and operating cost of different power plants,
pollution control technologies including waste disposal options for coal and
nuclear plants.

7. Operations Research:
Linear programming, simplex method, transportation, assignment, network
flow models, simple queuing models, PERT and CPM

Downlod Executive Engineer (Mechanical) and Deputy Executive Engineer (Mechanical) under Gujarat Water Supply and Sewerage Board (GWSSD) Syllabus PDF file:Click Here

## No comments