ThermoDynamics - Interview Questions | Exam2Win

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11. Which qf the following laws is applicable for the behavior of a perfect gas

A. Boyle's law

B. Charles'law

C. Gay-Lussac law

D. all of the above

E. Joule's law.

Explanation: ANSWER : : all of the above Explanation :

12. The unit of energy in S.I. units is

A. watt

B. joule

C. joule/s

D. joule/m

E. joule m.

Explanation: ANSWER : : joule Explanation :

13. A closed system is one in which

A. mass does not cross boundaries of the system, though energy may do so

B. mass crosses the boundary but not the energy

C. neither mass nor energy crosses the boundaries of the system

D. both energy and mass cross the boundaries of the system

E. thermodynamic reactions take place.

Explanation: ANSWER : : mass does not cross boundaries of the system, though energy may do so Explanation :

14. Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits.

A. 02, N2, steam, C02

B. Oz, N2, water vapour

C. S02, NH3, C02, moisture

D. 02, N2, H2, air

E. steam vapours, H2, C02.

Explanation: ANSWER : : 02, N2, H2, air Explanation :

15. The unit of temperature in S.I. units is

A. Centigrade

B. Celsius

C. Fahrenheit

D. Kelvin

E. Rankine.

Explanation: ANSWER : : Kelvin Explanation :