A. maximum
B. minimum
C. zero
D. unpredictable
E. negative.

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Related Mcqs:

  1. Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant________________?
    A. pressure B. temperature C. volume D. internal energy E. entropy...
  2. Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant_______________?
    A. pressure B. temperature C. volume D. internal energy E. entropy...
  3. Entropy change depends on___________________?
    A. heat transfer B. mass transfer C. change of temperature D. thermodynamic state E. change of pressure and volume...
  4. If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly_________________?
    A. temperature B. enthalpy C. internal energy D. entropy E. all of the above...
  5. 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...
  6. 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...
  7. For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be___________________?
    A. zero B. minimum D. maximum D. infinity E. there is no such criterion...
  8. 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...
  9. 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....
  10. Which of the following cycles is not a reversible cycle_____________________?
    A. Carnot B. Ericsson C. Stirling D. Joule E. none of the above...
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