THEORY :
1.
Introduction :
Prime movers - Sources of energy - Types
of prime movers - Force and mass - Pressure - Work - Power - Energy - Heat
- Temperature - Units of heat - Specific
heat capacity
-
Interchange of heat -
Change
of state
- Mechanical equivalent of heat - Internal
energy - Enthalpy - Efficiency
2.
Fuels and Combustion :
Introduction
- Classification - Solid
fuels - Liquid Fuels
-
Gaseous fuels - Combustion - Calorific values
3.
Properties of Gases :
Gas laws - Boyle's law - Charle's
law - Combined gas law - Gas
constant - Non flow process - Constant volume process - Constant pressure process
- Internal
energy - Relation between Cp and Cv - Enthalpy
- Isothermal process - Polytropic process - Adiabatic
process.
4.
Properties of Steam :
Introduction
- Steam formation - Enthalpy - Specific volume of
steam
- Steam
tables -
Internal
energy - Non-flow process
- Throttling
- Measurement
of dryness fraction -
Throttling calorimeter -
Separating calorimeter - Combined calorimeter.
5.
Heat Engines :
Thermal
prime movers
- Elementary heat engines -
Sources
of heat
- Working substances - Converting machines
- Sink of heat - Classification
of
heat engines - Heat engine cycles - Carnet cycle - Carnet cycle
with vapour - Rankine cycle - Otto cycle -
Diesel cycle.
6.
Steam Boilers :
Introduction
- Classification
-
Simple vertical
boiler
- Vertical multitubular boiler - Cochran type -
Lancashire boiler - Cornish boiler - Locomotive
boiler - Marine boiler
(Scotch type) - Babcock and
Wilcox boiler
- High pressure boilers - Boiler
details - Boiler
performance.
Functioning of different mountings and accessories.
7.
Internal Combustion Engines :
Introduction - Classification - Engine
details - Otto four-stroke cycle - Diesel-four-stroke cycle - Difference
between Otto cycle and Diesel cycle -
Two-stroke cycle - Difference between two-stroke and
four-stroke cycle - indicated power (ip) -
Efficiencies.
8.
Speed Control :
Introduction - Governors - Steam engine
governing - I.C. Engine governing - Fly wheel.
9.
Pumps :
Introduction
- Reciprocating
pump
- Reciprocating
pump
types - Reciprocating
pump operation - Bucket pump - Air chamber
-
Centrifugal pumps - Types of centrifugal pumps -
Priming - Rotary pumps.
10.
Air Compressors :
Introduction
- Reciprocating compressors - Operation of a
compressor
- Work
for compression
-
Power required
-
Reciprocating compressor efficiency - Multistage reciprocating
compressors - Rotary compressors.
11.
Refrigeration & Air Conditioning :
Introduction - Refrigerant - Types of
refrigerators - Vapour compression refrigerators - Window air conditioners.
12.
Couplings, Clutches And Brakes :
Introduction - Couplings - Clutches -
BRAKES - Types of brakes - Internal expanding shoe brake - Difference between a brake and a clutch.
13.
Transmission of Motion and Power :
Introduction - Methods of drive - Power
transmission elements - shafting -
Belt-drive - Belting - Pulleys -
Velocity ratio of pulleys
-
Power transmitted by a belt - Chain drive -
Friction drive - Gear drive - Spur gear
- Helical gear - Spiral gear -
Bevel gear - Worm gear - Rack
and pinion
- Velocity
ratio of toothed gear - Trains
of
wheels -
Power transmitted
by gearing.
Bearing-classification, Bush
bearing, Ball
& Roller bearings.
* Work Shop : 50 Marks
(a)
Instruction / Demonstration :
Should
be given
for each of following
shops
/ trade
which
include importance
of the shop / trade in engineering.
New materials
available, tools / equipments required indicating
the use of each tool / equipment. Methods of processing any special
machines, power required etc.
(i)
Joining process
(ii)
Sheet metal work
(iii)
Plumbing (metallic & non metallic pipe fittings)
(iv)
Electro plating
(v) Metal cladding & painting
(vi)
Manufacture of plastic products
(vii)
Metal machining - Turning, drilling, grinding etc.
(viii) Carpentry / Pattern making
(ix)
Fitting / Assembly practice
(x)
Forging and hot working processes
(xi) Molding and casting processes
(b)
Exercise and Term work :
Each student is required to prepare simple exercises in following so
as to have a feeling of how the jobs / parts
are prepared and use of tools / equipments (Any Eight)
(i)
Electroplating
-
1 No
(ii)
Painting of metal piece
- 1
No
(iii)
Sheet metal part
-
1 No
(iv)
Plumbing
-
1 No
(v)
Arc Welding / Gas welding /
welding -
1 No
(vi)
Soldering / Brazing
-
1 No
(vii)
Drilling practice
-
1 No
(viii) Fitting / Assembly
-
1 No
(ix)
Carpentry practice
- 1 No
(x)
Forging practice
-
1 No
Over and above these exercises each student is required to prepare a laboratory report on instruction / demonstration and exercises prepared by him as a part of term work of (a) above.
*
Term Work
Based on above syllabus.
*
Text books :
1. Elements of Mechanical
Engineering Hajra Chaudhary
2. Elements of Mechanical
Engineering Mathur & Mehta
