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
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 a free expansion process is___________________?
A. + ve
B. -ve
C. zero
D. maximum
E. minimum - In a non-flow reversible process for which p = (- 3V+ 15) x 105N/m2,V changes from 1 m to 2 m3. The work done will be about_______________?
A. 100 xlOO5 joules
B. lxlO5 joules
C. 10 xlO5 joules
D. 10 xlO5 kilo joules
E. 10xl04kiojoules - A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be___________________?
A. 300 Nm
B. 300,000 Nm
C. 30 Nm
D. 3000 Nm
E. 30,000 Nm - An adiabatic wall is one which__________________?
A. prevents thermal interaction
B. permits thermal interaction
C. encourages thermal interaction
D. discourages thermal interaction
E. dos not exist. - Work done is zero for the following process_________________?
A. constant volume
B. free expansion
C. throttling
D. all Of the above
E. none of the above - 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 - An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be________________?
A. 650°K
B. 600°K
C. 625°K
D. 700°K
E. 750°K - If value of n is infinitely large in a polytropic process pV” = C, then the process is known as constant_____________________?
A. volume
B. pressure
C. temperature
D. enthalpy
E. entropy
