If value of n is infinitely large in a polytropic process pV” = C, then the process is known as constant_____________________?

Related Mcqs:

1. If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called___________________?

   A. free expansion
   B. hyperbolic expansion
   C. adiabatic expansion
   D. parabolic expansion
   E. throttling

2. The value of n = 1 in the poly tropic process indicates it to be __________________?

   A. reversible process
   B. isothermal process
   C. adiabatic process
   D. irreversible process
   E. free expansion process

3. 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

4. If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as__________________?

   A. free expansion
   B. hyperbolic expansion
   C. adiabatic expansion
   D. parabolic expansion
   E. throttling

5. The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is________________?

   A. 29.27 J/kmol°K
   B. 83.14J/kmol°K
   C. 848J/kmol°K
   D. All J/kmol °K
   E. 735 J/kmol °K

6. 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

7. 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

8. The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is______________________?

   A. 29.27 kgfm/mol°K
   B. 8314kgfm/mol°K
   C. 848kgfm/mol°K
   D. 427kgfm/mol°K
   E. 735 kgfm/mol°K

9. Isochoric process is one in which___________________?

   A. free expansion takes place
   B. very little mechanical work is done by the system
   C. no mechanical work is done by the system
   D. all parameters remain constant
   E. mass and energy transfer do not take place

10. 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