A. 0.75
B. 1
C. 1.27
D. 1.35
E. 2
Related Mcqs:
- 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 - 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 - 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. - For reversible adiabatic process, change in entropy is_________________?
A. maximum
B. minimum
C. zero
D. unpredictable
E. negative. - 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 - 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 - The index of compression n tends to reach ratio of specific heats y when____________________?
A. flow is uniform and steady
B. process is isentropic
C. process is isothermal
D. process is isentropic and specific heat does not change with temperature
E. process is isentropic and specific heat changes with temperature - 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 - I kgf/cm2 is equal to________________?
A. 760 mm Hg
B. zero mm Hg
C. 735.6 mm Hg
D. 1 mm Hg
E. lOOmmHg - Atmospheric pressure is equal to____________?
A. 1.013 bar
B. 760mm of Hg
C. 101.3KN/m2
D. All of theseSubmitted by: Faheem Zaman Dhaunroo
