IC Engine Question and answers
S K Mondal’s
IC Engine
GATE, IES & IAS 20 Years Question Answers
Contents
Chapter – 1: Gas Power Cycles
Chapter - 2 : SI and CI Engines
Chapter - 3 : Carburetion and Fuel Injection
Chapter - 4 : Fuels
Chapter - 5 : SuperCharging
Chapter - 6 : Jet Propulsion
Chapter - 7 : IC Engine Performances
Chapter - 8 : Engine Cooling
Chapter - 9 : Emission and Control
Er. S K Mondal
IES Officer (Railway), GATE topper, NTPC ET-2003 batch, 12 years teaching experienced, Author of Hydro Power Familiarization (NTPC Ltd)
Page 1 of 77
Note
If you think there should be a change in option, don’t change it by yourself send me a mail at
swapan_mondal_01@yahoo.co.in
I will send you complete explanation.
Copyright © 2007 S K Mondal
Every effort has been made to see that there are no errors (typographical or otherwise) in the material presented. However, it is still possible that there are a few errors (serious or otherwise). I would be thankful to the readers if they are brought to my attention at the following e-mail address: swapan_mondal_01@yahoo.co.in
S K Mondal
Page 2 of 77
Gas Power Cycles
S K Mondal’s
1.
Chapter 1
Gas Power Cycles
OBJECTIVE QUESTIONS (GATE, IES, IAS)
Previous Years GATE Questions
Carnot cycle
Q1.
A cyclic heat engine does 50 kJ of work per cycle. If the efficiency of the heat engine is 75%, the heat rejected per cycle is
[GATE-2001]
2
(a)16 kJ
3
1
(b)33 kJ
3
1
(c)37 kJ
2
2
(d)66 kJ
3
Q2.
A Carnot cycle is having an efficiency of 0.75. If the temperature of the high temperature reservoir is 727° C/ what is the temperature of low temperature reservoir? [GATE-2002]
(a) 23°C
(b) -23°C
(c) 0°C
(d) 250°C
Q3.
A heat transformer is a device that transfers a part of the heat, supplied to it at an intermediate temperature, to a high temperature reservoir while rejecting the remaining part to a low temperature heat sink. In such a heat transformer, 100 kJ of
IC Engine
GATE, IES & IAS 20 Years Question Answers
Contents
Chapter – 1: Gas Power Cycles
Chapter - 2 : SI and CI Engines
Chapter - 3 : Carburetion and Fuel Injection
Chapter - 4 : Fuels
Chapter - 5 : SuperCharging
Chapter - 6 : Jet Propulsion
Chapter - 7 : IC Engine Performances
Chapter - 8 : Engine Cooling
Chapter - 9 : Emission and Control
Er. S K Mondal
IES Officer (Railway), GATE topper, NTPC ET-2003 batch, 12 years teaching experienced, Author of Hydro Power Familiarization (NTPC Ltd)
Page 1 of 77
Note
If you think there should be a change in option, don’t change it by yourself send me a mail at
swapan_mondal_01@yahoo.co.in
I will send you complete explanation.
Copyright © 2007 S K Mondal
Every effort has been made to see that there are no errors (typographical or otherwise) in the material presented. However, it is still possible that there are a few errors (serious or otherwise). I would be thankful to the readers if they are brought to my attention at the following e-mail address: swapan_mondal_01@yahoo.co.in
S K Mondal
Page 2 of 77
Gas Power Cycles
S K Mondal’s
1.
Chapter 1
Gas Power Cycles
OBJECTIVE QUESTIONS (GATE, IES, IAS)
Previous Years GATE Questions
Carnot cycle
Q1.
A cyclic heat engine does 50 kJ of work per cycle. If the efficiency of the heat engine is 75%, the heat rejected per cycle is
[GATE-2001]
2
(a)16 kJ
3
1
(b)33 kJ
3
1
(c)37 kJ
2
2
(d)66 kJ
3
Q2.
A Carnot cycle is having an efficiency of 0.75. If the temperature of the high temperature reservoir is 727° C/ what is the temperature of low temperature reservoir? [GATE-2002]
(a) 23°C
(b) -23°C
(c) 0°C
(d) 250°C
Q3.
A heat transformer is a device that transfers a part of the heat, supplied to it at an intermediate temperature, to a high temperature reservoir while rejecting the remaining part to a low temperature heat sink. In such a heat transformer, 100 kJ of