# Mcq on carnot cycle

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 Mcq on carnot cycle

## Multiple choice questions MCQ on carnot cycle is as follows:-

1. The carnot cycle is derived to analyse the problem of efficiency of a heat engine.
A. True
B. False

2. In carnot cycle the heat receive at.... Temperature.
a) lower
b) higher
c) constant
d) none of the above

3. The working fluid used for carnot cycle is.....
a) real gas
b) ideal gas
c) natural gas
d) none of the above

4. The carnot cycle consists of four type of processes.
A. True
B. False

5. The carnot cycle operation consists of two isothermal and two reversible adiabatic operations.
A. True
B. False

6. In carnot cycle the heat rejected at.... Temperature.
a) lower
b) higher
c) constant
d) none of the above

7. The isothermal process of carnot cycle is very....
a) slow
b) fast
c) medium
d) none of the above

8. The adiabatic process of carnot cycle is very....
a) slow
b) fast
c) medium
d) none of the above

9. When the temperature difference increases the coefficient of performance cop up of carnot heat pump is....
a) increases
b) decreases
c) first increases, then decreases
d) none of the above

10. The carnot cycle is a reference cycle for all the cycles.
A. True
B. False

11. It is impossible to realise carnot engine in actual practice, so it is an imaginary engine used to ultimate standard of comparison of all heat engines.
A. True
B. False

12. The carnot cycle for refrigerator that operating between the temperature of 250ºK and 300ºK. Calculate the COP of refrigerator?
a) 10
b) 25
c) 5
d) 15

13. In carnot cycle during a reversible adiabatic process no heat is absorbed or rejected by the air.
A. True
B. False

14. The heat is rejected in carnot cycle by which which of the following process.
A. Isothermal expansion process
B. Isothermal compression process
D. None of the above

15. The expansion and compression ratio must be equal for carnot cycle.
A. True
B. False

16. The carnot cycle operation consists of two isothermal and two reversible adiabatic operations.
A. True
B. False

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