A. prevents thermal interaction
B. permits thermal interaction
C. encourages thermal interaction
D. discourages thermal interaction
E. dos not exist.
Related Mcqs:
- Minimum work in compressor is possible when the value of adiabatic index n is equal to_________________?
A. 0.75
B. 1
C. 1.27
D. 1.35
E. 2 - For reversible adiabatic process, change in entropy is_________________?
A. maximum
B. minimum
C. zero
D. unpredictable
E. negative. - Work done in an adiabatic process between a given pair of end states depends on__________________?
A. the end states only
B. particular adiabatic process
C. the value of index n
D. the value of heattransferred
E. mass of the system - A diathermic wall is one which____________________?
A. prevents thermal interaction
B. permits thermal interaction
C. encourages thermal interaction
D. discourages thermal interaction
E. does not exist - Specific heat of air at constant pressure is equal to___________________?
A. 0.17
B. 0.21
C. 0.24
D. 1.0
E. 1.41 - A heat exchange process in which the product of pressure and volume remains constant is known as_______________?
A. heat exchange process
B. throttling process
C. isentropic process
D. adiabatic process
E. hyperbolic process - Entropy change depends on___________________?
A. heat transfer
B. mass transfer
C. change of temperature
D. thermodynamic state
E. change of pressure and volume - Thermal power plant works on______________?
A. Carnot cycle
B. Joule cycle
C. Rankine cycle
D. Otto cycle
E. Brayton cycle - If a system after undergoing a series of processes, returns to the initial state then__________________?
A. process is thermodynamically in equilibrium
B. process is executed in closed system cycle
C. its entropy will change due to irreversibility
D. sum of heat and work transfer will be zero
E. no work will be done by the system - If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to__________________?
A. + v
B. – ve
C. zero
D. pressure x volume
E. any where between zero and infinity
