ThermoDynamics - Interview Questions | Exam2Win

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6. Absolute zero pressure will occur

A. at sea level

B. at the center of the earth

C. when molecular momentum of the system becomes zero

D. under vacuum conditions

E. at a temperature of - 273 ï¿½K

Explanation: ANSWER : : when molecular momentum of the system becomes zero Explanation :

7. The unit of time in S.I. units is

A. second

B. minute

C. hour

D. day

E. year.

Explanation: ANSWER : : second Explanation :

8. Intensive property of a system is one whose value

A. depends on the mass of the system, like volume

B. does not depend on the mass of the system, like temperature, pressure, etc.

C. is not dependent on the path followed but on the state

D. is dependent on the path followed and not on the state

E. remains constant.

Explanation: ANSWER : : does not depend on the mass of the system, like temperature, pressure, etc. Explanation :

9. The pressure a gas in terms of its mean kinetic energy per unit volume E is equal to

A. E/3

B. E/2

C. 3E/4

D. 2E/3

E. 5E/4.

Explanation: ANSWER : : 2E/3 Explanation :

10. The unit of mass in S.I. units is

A. kilogram

B. gram

C. tonne

D. quintal

E. newton.

Explanation: ANSWER : : kilogram Explanation :