THERMODYNAMICS OBJECTIVE QUESTIONS

Thermodynamics objective questions

1.  Which of the following is an Intensive property??

A. Mass
B. Volume
C. Magnetic field
D. Specific volume

2. Which of the variables controls physical properties of a gas??

A. Pressure
B. Volume
C. Temperature
D. All of the above

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

A. Celsius
B. Farehheit
C. Kelvin
D. Rumers

4. According to Gay Lussac's law the pressure of a perfecr gas varies directly as

A. Volume
B. Temperature
C. Specific volume
D. Remains constant

5. Temperature of a gas is produced due to

A. Its heating value
B. Kinetic energy of molecules
C. Attraction between molecules
D. Repulsion between molecules

6. According to kinetic theory of gases absolute zero temperature is obtained when

A. Mass is zero
B. Pressure is zero
C. Kinetic energy is zero
D. Volume is zero

7. Superheated vapour behaves

A. Exactly as gas
B. Average of gas and vapour
C. Approximately as gas
D. As a vapour only

8. The ratio of two specific heats is equal to

A. 0.13
B. 1.3
C. 1.41
D. 1.2

9. The value of n=1 in polytropic process indicates it to be

A. Isochoric process
B. Isobaric process
C. Isothermal process
D. Adiabatic process

10. Which of the following is not a path function

A. Heat
B. Work
C. Vdp
D. Thermal conductivity