ThermoDynamics - Interview Questions | Exam2Win

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1. General gas equation is

A. PV=nRT

B. PV=mRT

C. PV = C

D. PV=KiRT

E. Cp-Cv = Wj

Explanation: ANSWER : : PV=mRT Explanation :

2. The unit of pressure in S.I. units is

A. kg/cm2

B. mm of water column

C. pascal

D. dynes per square cm

E. bars

Explanation: ANSWER : : pascal Explanation :

3. Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to

A. T

B. j

C. J2

D. Vr

E. 1/Vr.

Explanation: ANSWER : : T Explanation :

4. Temperature of a gas is produced due to

A. its heating value

B. kinetic energy of molecules

C. repulsion of molecules

D. attraction of molecules

E. surface tension of molecules.

Explanation: ANSWER : : kinetic energy of molecules Explanation :

5. The condition of perfect vacuum, i.e., absolute zero pressure can be attained at

A. a temperature of - 273.16ï¿½C

B. a temperature of 0ï¿½C

C. a temperature of 273 ï¿½K

D. a negative pressure and 0ï¿½C temperature

E. can't be attained.

Explanation: ANSWER : : a temperature of - 273.16ï¿½C Explanation :