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.Management Sciences
A. A refrigeration cycle violates the second law of thermodynamics
B. Refrigeration cycle is normally represented by a temperature vs. entropy plot
C. In a refrigerator, work required decreases as the temperature of the refrigerator and the
temperature at which heat is rejected increases
D. One ton of refrigeration is equivalent to the rate of heat absorption equal to 3.53 kW
Related Mcqs:
- 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)...
- Enthalpy of a gas depends upon its___________________?
- A. Temperature B. Mass C. Volume D. Pressure...
- The chemical potential of any constituent of an ideal solution depends on the ______________ of the solution?
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- High pressure steam is expanded adiabatically and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process ?
- A. Δ H = 0 and ΔS = 0 B. Δ H ≠ 0 and ΔS = 0 C. Δ H ≠ 0 and ΔS ≠ 0 D. Δ H = 0 and ΔS ≠ 0...
- The equation, PV = nRT, is best obeyed by gases at____________________?
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