ThermoDynamics - Interview Questions | Exam2Win

Take a timed mock test specifically for ThermoDynamics.

16. Kinetic theory of gases assumes that the collisions between the molecules are

A. perfectly elastic

B. perfectly inelastic

C. partly elastic

D. partly inelastic

E. partly elastic and partly inelastic.

Explanation: ANSWER : : perfectly elastic Explanation :

17. Superheated vapour behaves

A. exactly as gas

B. as steam

C. as ordinary vapour

D. approximately as a gas

E. as average of gas and vapour.

Explanation: ANSWER : : approximately as a gas Explanation :

18. No liquid can exist as liquid at

A. - 273 ï¿½K

B. vacuum

C. zero pressure

D. centre of earth

E. in space.

Explanation: ANSWER : : zero pressure Explanation :

19. The unit of length in S.I. units is

A. meter

B. centimeter

C. kilometer

D. millimeter.

E. opt 5

Explanation: ANSWER : : meter Explanation :

20. According to GayLussac law for a perfect gas, the absolute pressure of given mass varies directly as

A. temperature

B. absolute

C. absolute temperature, if volume is kept constant

D. volume, if temperature is kept constant

E. remains constant,if volume and temperature are kept constant.

Explanation: ANSWER : : absolute temperature, if volume is kept constant Explanation :