Engineering Services Examination Mechanical Question Papers

Hello sir I am here as I want to get the previous year question paper of Indian Engineering Services Examination Mechanical Engineering Conventional Exam so will you please provide me the same??

[Shaleen]

Union Public Service Commission conducts Indian Engineering Services (IES) exam for recruitment of engineers for its various operations. The exam is conducted separately for each branch of Engg.

The questions in IES Mechanical Engineering Paper are asked from many Mech. Engg Subjects which a student learns throughout his/her course.


As per your demand here I am providing you previous year question paper of Indian Engineering Services Examination Mechanical Engineering Conventional Exam


Syllabus for Indian Engineering Services Examination Mechanical Engineering
Paper-I

1. Mechanics:

1.1 Mechanics of rigid bodies:

Equations of equilibrium in space and its application; first and second
moments of area; simple problems on friction; kinematics of particles for
plane motion; elementary particle dynamics.

1.2 Mechanics of deformable bodies:

Generalized Hooke's law and its application; design problems on axial stress,
shear stress and bearing stress; material properties for dynamic loading;
bending shear and stresses in beams;. determination of principle stresses
and strains - analytical and graphical; compound and combined stresses; bi-
axial stresses - thin walled pressure vessel; material behaviour and design
factors for dynamic load; design of circular shafts for bending and torsional
load only; deflection of beam for statically determinate problems; theories of
failure.

2. Engineering Materials:

Basic concepts on structure of solids; common ferrous and non-ferrous
materials and their applications; heat-treatment of steels; non-metals-
plastics, ceramics, composite materials and nano-materials.

3. Theory of Machines:

Kinematic and dynamic analysis of plane mechanisms. Cams, Gears and
epicyclic gear trains, flywheels, governors, balancing of rigid rotors,
balancing of single and multicylinder engines, linear vibration analysis of
mechanical systems (single degree of freedom), Critical speeds and whirling
of shafts.

4. Manufacturing Science:

4.1 Manufacturing Process:

Machine tool engineering – Merchant's force analysis; Taylor's tool life
equation; conventional machining; NC and CNC machining process; jigs and
fixtures.

Non-conventional machining – EDM, ECM, ultrasonic, water jet machining
etc; application of lasers and plasmas; energy rate calculations.

Forming and welding processes- standard processes.

Metrology - concept of fits and tolerances; tools and gauges; comparators;
inspection of length; position; profile and surface finish.

4.2. Manufacturing Management:

System design: factory location- simple OR models; plant layout - methods
based; applications of engineering economic analysis and break- even
analysis for product selection, process selection and capacity planning;
predetermined time standards.

System planning; forecasting methods based on regression and
decomposition, design and balancing of multi model and stochastic assembly
lines; inventory management – probabilistic inventory models for order time
and order quantity determination; JIT systems; strategic sourcing; managing
inter plant logistics.

System operations and control: Scheduling algorithms for job shops;
applications of statistical methods for product and process quality control -
applications of control charts for mean, range, percent defective, number of
defectives and defects per unit; quality cost systems; management of
resources, organizations and risks in projects. System improvement:
Implementation of systems, such as total quality management, developing
and managing flexible, lean and agile organizations.

PAPER-II

1. Thermodynamics, Gas Dynamics and Turbine:

1.1 Basic concept of First –law and second law of Thermodynamics; concept
of entropy and reversibility; availability and unavailability and irreversibility.

1.2 Classification and properties of fluids; incompressible and compressible
fluids flows; effect of Mach number and compressibility; continuity
momentum and energy equations; normal and oblique shocks; one
dimensional isentropic flow; flow or fluids in duct with frictions that transfer.

1.3 Flow through fans, blowers and compressors; axial and centrifugal flow
configuration; design of fans and compressors; single problems compresses
and turbine cascade; open and closed cycle gas turbines; work done in the
gas turbine; reheat and regenerators.

2. Heat Transfer:

2.1 Conduction heat transfer- general conduction equation - Laplace, Poisson
and Fourier equations; Fourier law of conduction; one dimensional steady
state heat conduction applied to simple wall, solid and hollow cylinder &
spheres.

2.2 Convection heat transfer- Newton's law of convection; free and forces
convection; heat transfer during laminar and turbulent flow of an
incompressible fluid over a flat plate; concepts of Nusselt number,
hydrodynamic and thermal boundary layer their thickness; Prandtl number;
analogy between heat and momentum transfer- Reynolds, Colbum, Prandtl
analogies; heat transfer during laminar and turbulent flow through horizontal
tubes; free convection from horizontal and vertical plates.

2.3 Black body radiation - basic radiation laws such as Stefan-Boltzman,
Planck distribution, Wein's displacement etc.

2.4 Basic heat exchanger analysis; classification of heat exchangers.

3. I .C. Engines:

3.1 Classification, thermodynamic cycles of operation; determination of
break power, indicated power, mechanical efficiency, heat balance sheet,
interpretation of performance characteristics, petrol, gas and diesel engines.

3.2 Combustion in SI and CI engines, normal and abnormal combustion;
effect of working parameters on knocking, reduction of knocking; Forms of
combustion chamber for SI and CI engines; rating of fuels; additives;
emission.

3.3 Different systems of IC engines- fuels; lubricating; cooling and
transmission systems. Alternate fuels in IC engines.

4. Steam Engineering:

4.1 Steam generation- modified Rankine cycle analysis; Modern steam
boilers; steam at critical and supercritical pressures; draught equipment;
natural and artificial draught; boiler fuels solid, liquid and gaseous fuels.
Steam turbines - principle; types; compounding; impulse and reaction
turbines; axial thrust.

4.2 Steam nozzles- flow of steam in convergent and divergent nozzle;
pressure at throat for maximum discharge with different initial steam
conditions such as wet, saturated and superheated, effect of variation of
back pressure; supersaturated flow of steam in nozzles, Wilson line.

4.3 Rankine cycle with internal and external irreversibility; reheat factor;
reheating and regeneration, methods of governing; back pressure and pass
out turbines.

4.4 Steam power plants - combined cycle power generation; heat recovery
steam generators (HRSG) fired and unfired, co-generation plants.

5. Refrigeration and air-conditioning:

5.1 Vapour compression refrigeration cycle - cycle on p-H & T-s diagrams;
eco-friendly refrigerants - R134a,123; Systems like evaporators, condensers,
compressor, expansion devices. Simple vapour absorption systems.

5.2 Psychrometry - properties; processes; charts; sensible heating and
cooling; humidification and dehumidification effective temperature; air-
conditioning load calculation; simple duct design.