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TNPSC Combined Engineering Services Exam - Mechanical and Production Engineering Paper 1 - www.tnpsc.gov.in

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PAPER-I
Syllabus
[The existing syllabi for the subjects under Paper-I now (previously Paper -I and Paper –II)
have been clubbed together and constituted as a single syllabus]

MECHANICAL AND PRODUCTION ENGINEERING
(Mechanical Engineering)
Degree Standard
PAPER-I Code No: 074
1. APPLIED MECHANICS: Statics of particles - Resolution of forces - supports and reactions -
Determination of forces in member of statically determinate plane trusses by method of joints
and method of section. Controls - moment of inertia, position, velocity and acceleration of
penticles. Newton's Second law, Equations of motion, principle of work and energy, impulse and
momentum, impact of elastic bodies, friction - laws, simple machines.
2. ENGINEERING THERMODYNAMICS:- Energy - Work - heat properties - states - processes.
Energy equations. Work and PV diagrams. Laws of thermodynamics Carnot cycle, reversed
carnet cycle, efficiency - COP. Specific heats - gas laws - perfect gas relationships. mole
concept, molar volume, internal energy, enthalpy, molecular weight of gas mixtures. Methods of
cycle analysis - tables of thermodynamic properties of air - thermal efficiency To cycle - diesel
cycle - dual combustion cycle - comparison of cycles - problems on use of steam tables.
3. INTERNAL COMBUSTION ENGINES:- Basic engine nomenclature - engine classification -
working of SI engine, CI engine, two stroke engine and four stroke engine - carburation - air fuel
mixture ratio. Combustion in SI engine - ignition systems - timing - spark plugs - combustion
chamber. Combustion in CI engine - ignition delay - valve timing diagram - fuel supply injection
systems. Performance of SI and CI engines - factors affecting the performance characteristics.
Cooling - lubrication systems, fuels used in SI and CI engines. Measurements of engine power -
indicated mean effective pressure - indicated horse power - brake horse power - specific fuel
consumption - thermal efficiency.
4. GAS DYNAMICS AND JET PROPULSION:- Energy equation for flow process - velocity of
sound - mach number - effect of Mach number on compressibility. Isentropic flow with variable
area - Area ratio as a function of Mach Number - mass flow rate - flow through nozzles - flow
through diffusers. Solution of Fanne flow equation - isothermal flow with friction. Flow with
normal shockwaves - governing equations. Prandtl - Meyer equation. Aircraft propulsion - jet
engines - energy flow - thrust power and propulsive efficiency - performance of jet engine.
Rocket engines - performance - solid and liquid propellant rockets. Comparison of various
propulsion systems.
5. REFRIGERATION AND AIR CONDITIONING:- Principles of refrigeration - mechanism of
producing cold - types of refrigerations - refrigerating effect and unit of refrigeration - coefficient
of performance of refrigerator. Air refrigeration systems - reversed Carnot cycle - Bell colemen
cycle. Simple vapour compression system. Advanced vapour compression systems - T.S
Diagram - pH chart - dry and wet compression - under cooling. Vapour absorption systems.
Refrigerants. Refrigeration applications. Air conditioning - Factors in air conditioning - simple
heating and cooling - dehumidification - humidification.
6. FLUID MECHANICS:- Classification of fluids - fluid properties - Ideal fluid flow - Rotational -
irrational flow - Bernoulli's equation - Flow through pipes - pipes in series - pipes in parallel -
DARCY'S equation - viscous fluid flow - Navier - stokes equation - Laminar and Turbulent flow -
Reynold's number - Compressible flow of perfect gas - speed of sound wave - concept of Mach
number – Hydraulic Jump.
7. TURBOMACHINERY:- Definition and classification of turbo machines, equation for energy
transfer. Centrifugal fans, blowers and Compressors. Axial flow fans and compressors. Axial
turbine stages. Free and forced vortex flow. Centrifugal pumps - workdone - head - specific
energy - priming - performance of multistage pumps. Hydraulic turbines - different types -
governing, performance - selection of turbines. Gravitation - method of preventing - hydraulic
coupling - torque convertors.
8. HEAT AND MASS TRANSFER:- Modes of heat transfer, one dimentional heat conduction,
resistance concept, unsteady state heat conduction. Fins, free and forced conviction. Thermal
boundary layer concept. D.B. equations and other correlations, radiation, black and gray bodies,
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shape factor design of heat enchangers. NTU method. Analogy of mass, Heat and Momentum
transfers, mass transfer equipments.
9. POWER PLANT ENGINEERING:- Sources of energy - conventional and non - conventional
Location of steam power plant, diesel power plant and nuclear power plants - layout. Disposal of
waste, safety and hazards. Hydroelectric power plants, Gas power plants - environmental
problems. Power plant economics, cost benefit analysis - future power plants wind, tidel, solar
energy - problems and prospects. Geothermal energy, fuel cells, thermionic and thermo electric
converters etc.
10. INSTRUMENTATION AND CONTROL:- Elements of measurement systems. Range, span,
sensitivity, accuracy, precision and repeatability of instrument. Errors in measurement system.
Transducers for measurement of pressure, manometers, temperature measuring instruments,
measurement of speed, strain gauge basics, force measurement using load cells and
electromechanical methods. Dynamometers for power measurement, flow meters, rotameters,
using velocity process, hot wire anemometer, accelerometers. Open and closed loop control
systems. Transfer function, Hydraulic and Pneumatic control systems, Different types of controls
like, two way proportional, differential and integral control.
PAPER-II
1. STRENGTH OF MATERIALS:- Direct stress and strain – elasticity – Hook’s law – Poisson’s
ratio – bulk modulus. Shear stress- modulus of rigidity. Analysis of stress and strain
compound stress. Strain energy, resilience and strength theories. Bending moment and
shearing forces.
Bending stresses in beams, shearing stresses in beams, deflection of beam, fixed and
continuous beams. Combined direct and bending stresses. Columns and struts, torsion of
shafts, springs, thin and thick cylindrical and spherical shells. Riveted joints.
2. THEORY OF MACHINES-I:- Kinematics of machanisms – link pair – Inversions of
mechanism four bar chain – slider crank mechanisms. Motion and inertia – velocity –
acceleration – force – mass – centrifugal and centripetal force – mass moment of inertia –
velocity in mechanism – velocity polygons – acceleration in mechanism – lower pair – cams
– gyroscope.
3. THEORY OF MACHINES-II:- Friction-laws of solid friction-wedge-screws-threads collarpivot-
clutch-bearing. Belt, rope and chain drive-toothed gears-gear trains-inertia force
analysis and fly wheel governors – stability – friction and insensitiveness. Balancing of
several masses in different planes. Mechanical Vibrations – force vibrations – damping.
4. DESIGN OF MACHINE ELEMENTS:- Design of riveted and welded joins – Design of
detachable joints – Bolted Joints cotter joint – Knuckle joint – Design of crank shaft and
connecting rod – Flange coupling – Helical and leaf springs – Fly wheel – Design of journal
and thrust bearings.
5. DESIGN OF TRANSMISSION ELEMENTS:- Selection of flat and vee belts – design of cone
pulley belt drive – design of spur gears, helical gears and bevel gears – Design of worm and
wheel pair for power transmission – Design of single and two stage speed reducers.
6. PRODUCTION PROCESSES:- Classification of machining processes, metal cutting tools,
tool materials, tool geometry, Lathe; machanisms for feed and spindle drive, work holding
device, types of operation, Drilling machines, shaper, slotter and milling machines; drives
and types of work done, milling machines; drives for spindle speed and feed Work holding
devices indexing, milling machine operations.
7. MACHINING PROCESSES:- Grinding machines: Abrasives, grain structure and designation
of grinding wheels, various types of grinding, work holding devices. Fine finishing process;
honing, buffing, metal spraying and electroplating.
Gear and gear manufacturing; Gear milling, shaping, hobbing, gear finishing: gear shaving,
grinding, lapping , and gear honing. Special Machining process; Electro discharge
machining, Electro Chemical grinding, electron beam and laser beam machining abrasive jet
machining. NC & GNC machine operations, Flexible manufacturing systems automated
guided vehicles, FMS layout, material handling system.
8. METROLOGY AND QUALITY CONTROL:- Precision instruments: Vernier, micrometer, slip
gauges, sine bars, comparators, Inter changeability, limit gauges. Profile projector, tool
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maker’s microscope, screw thread projector, measurement of surface finish, Testing
geometric accuracy of machine tools, Errors in threadpitch measurement, gear tooth errors
statistical quality control concept, use of control charts, Acceptance sampling, economic
aspects of quality control.
9. INDUSTRIAL ENGINEERING:- Work study – techniques – Method study – objectives – basic
procedure – work measurement – objectives – basic procedure – production planning and
control – machine loading and scheduling – product sequencing – inventory control – E O Q
– quantity discounts – ABC Analysis – Plant layout – Product and Process layout material
handling systems – simplex method – Transportation model – Assignment model.
10. INDUSTRIAL MANAGEMENT:-The basic of management theory and practice – Planning –
The nature and purpose of Planning – The nature and purpose of Planning – Decision
making – Organising – Nature and purpose of organising – staffing – Nature and purpose of
staffing – Leading – Motivation – Leadership – controlling – Control techniques – Ensuring
effective managing.

Paper 2 - TNPSC Combined Engineering Services Exam General Studies Syllabus

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