Review of Thermo

5. Which of the following process can be made reversible with the help of a regenerator?

(A) Constant pressure process

(B) Constant volume process

(C) Constant pvⁿ process

(D) All of these

Correct Answer

6. One kg of carbon produces __________ kg of carbon dioxide.

(A) 3/7

(B) 7/3

(C) 11/3

(D) 3/11

Correct Answer

7. The kinetic energy per kg molecule of any gas at absolute temperature Tis equal to (where R_u= Universal gas constant)

(A) R_u × T

(B) 1.5 R_u × T

(C) 2 R_u × T

(D) 3 R_u × T

Correct Answer

8. If in the equation pvⁿ= C, the value of n= ∝, then the process is called

(A) Constant volume process

(B) Adiabatic process

(C) Constant pressure process

(D) Isothermal process

Correct Answer

9. The value of specific heat at constant pressure (c_p) is __________ that of at constant volume (c_v).

(A) Less than

(B) Equal to

(C) More than

(D) None of these

Correct Answer

10. One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas.

(A) 4/7

(B) 11/4

(C) 9/7

(D) All of these

Correct Answer