A. isothermal
B. adiabatic
C. throttling
D. all of the above
E. none of the above

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Related Mcqs:

  1. In a free expansion process___________________?
    A. work done is zero B. heat transfer is zero C. both A. and B. above D. work done is zero but heat increases E. work done is zero but heat decreases...
  2. During throttling process___________________?
    A. heat exchange does not take place B. no work is done by expanding steam C. there is no change of internal energy of steam D. all of the above E. entropy decreases...
  3. Which of the following is an irreversible cycle_____________________?
    A. carnot B. Stirling C. ericsson D. all of the above E. none of the above...
  4. Which of the following processes are thermodynamically reversible___________________?
    A. throttling B. free expansion C. constant volume and constant pressure D. hyperbolic and pV = C E. isothermal and adiabatic...
  5. A cycle consisting of two adiabatics and two constant pressure processes is known as___________________?
    A. Otto cycle B. Ericsson cycle C. Joule cycle D. Stirling cycle E. Atkinson cycle...
  6. 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...
  7. Which of the following items is not a path function ____________________?
    A. heat B. work C. kinetic energy D. vdp E. thermal conductivity...
  8. The following cycle is used for air craft refrigeration___________________?
    A. Brayton cycle B. Joule cycle C. Carnot cycle D. Bell-Coleman cycle E. Reversed-Brayton cycle...
  9. Diesel cycle consists of following four processes_________________?
    A. two isothermals and two isentropics B. two isentropics, and two constant volumes. C. two isentropics, one constant volume and one constant pressure D. two isentropics and two constant pressures E. none of the above...
  10. For which of the following substances, the gas laws can be used with minimum error_________________?
    A. dry steam B. wet steam C. saturated steam D. superheated steam E. steam at atmospheric pressure...
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