A. Adiabatic
B. Isothermal
C. Isometric
D. None of these
Related Mcqs:
- Which of the following exemplifies an adiabatic process ?
A. Melting of ice
B. Condensation of alcohol vapor
C. Sudden bursting of a cycle tube
D. Evaporation of water - Melting of ice exemplifies a/an______________________?
A. Adiabatic process
B. Endothermic reaction
C. Exothermic reaction
D. Process involving a chemical reaction - Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is___________________?
A. 300 × (32/7)
B. 300 × (33/5)
C. 300 × (333/7)
D. 300 × (35/7) - In polytropic process (PVn = constant), if n = 1; it means a/an ______________ process?
A. Adiabatic
B. Reversible
C. Isothermal
D. None of these - In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when_______________?
A. n = y = 1.4
B. n = 0
C. n = 1
D. n = 1.66 - If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be ______________ c.c?
A. 100
B. 50
C. 205
D. 200 - Joule-Thomson effect i.e., a throttling process is a constant _____________ process?
A. Entropy
B. Temperature
C. Internal energy
D. Enthalpy - A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively) ?
A. Δ S1 is always Δ SR
C. Δ S1 is always > Δ SR
D. Δ S1 is always = Δ SR - The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible _____________ process?
A. Isobaric
B. Isothermal
C. Adiabatic
D. None of these - Isentropic process means a constant _____________________ process ?
A. Enthalpy
B. Pressure
C. Entropy
D. None of these
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