BITSAT SERIES Physics
Carnot Cycle
6 previous year questions.
Volume: 6 Ques
Yield: Medium
High-Yield Trend
1
2025 1
2021 1
2017 2
2013 1
2010 Chapter Questions 6 MCQs
01
PYQ 2010
medium
physics ID: bitsat-2
An ideal refrigerator has a freezer at a temperature of 130C. The coefficient of performance of the engine is
5. The temperature of the air (to which heat is rejected) is
1
320C
2
39C
3
325K
4
325C
02
PYQ 2013
medium
physics ID: bitsat-2
A Carnot's heat engine works between the temperatures and . What amount of heat should it consume per second to deliver mechanical work at the rate of ?
1
0.417 kcal/s
2
4.17 kcal /s
3
41.7 kcal/s
4
0.212 kcal/s
03
PYQ 2013
medium
physics ID: bitsat-2
A Carnot's heat engine works between the temperatures 427°C and 27°C. What amount of heat should it consume per second to deliver mechanical work at the rate of 1.0 kW?
1
0.417 kcal/s
2
1.3 kcal/s
3
18.1 kcal/s
4
0.212 kcal/s
04
PYQ 2017
medium
physics ID: bitsat-2
A cyclic process ABCD is shown in the P–V diagram. Which of the following curves represent the same process? 
1
Option a
2
Option b
3
Option c
4
Option d
05
PYQ 2021
hard
physics ID: bitsat-2
A cyclic process ABCD is shown in the figure P-V diagram. Which of the following curves represent the same process? 
1
As shown in figure (a)
2
As shown in figure (b)
3
As shown in figure (c)
4
As shown in figure (d)
06
PYQ 2025
hard
physics ID: bitsat-2
A Carnot engine operates between temperatures of and . If it absorbs of heat from the source, how much work does it perform?
1
300 J
2
450 J
3
600 J
4
150 J