(10)
.1(10 x 1 = 10 Marks)
(1)
(200)
(4)
(7)
.2(4 x 5 = 20 Marks)
(5)
(500)
(3)
(5)
.3(3 x 10 = 30 Marks)
(10)
1
Applications
Heat Pump i.
Entropy ii.
Dryness Fraction .iii
Internal Combustion Engine .iv
Two Stroke Petrol Engine .v
Injector .vi
Devices
Forced Circulation Cooling System .vii
Brake Power .viii
Swept Volume .ix
Air Compressor .x
Diploma in Engineering
III Semester Exams: CBCS (AICTE) - January- 2023 DPME309PCT - Thermal Engineering - I
Total Time : 3 hrs Total Marks :60
P.T.O. 1/2
Clausius
Kelvin Plank
Thermodyanamics .2
Actual Cycle
Air Standard Cycle .3
Component
IC Engine .4
Four Stroke IC Engine
Two Stroke .5
Working Principle
Zenith Carburetor .6
Mean Effective Pressure 5.5
14.7kW
1000rpm
4
.7
Stroke Length
Bore
1.5
Bore
.8
TS
PV
Rankine Cycle .9
Thermo Siphon Method (a) .10
Air Cooling
Water Cooling (b)
4- Stroke .11
Air Compressor .12
S i n g l e C y l i n d e r O i l E n g i n e .13 i.e.m.p=6bar,Stroke = 450mm, Speed=300rpm,Bore= 300mmBrake drum dia = 1.8m, Brake rope dia=2cm, net brake load = 1.5kN
Mechanical Efficiency(iii) Brake Power (ii) Indicated Power (i)
P.T.O. 1/2
