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.Management Sciences
A. Snow melts into water
B. A gas expands spontaneously from high pressure to low pressure
C. Water is converted into ice
D. Both B. & C
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?
- A. Temperature B. Pressure C. Composition D. All (A), B. and (C)...
- 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...
- Heat of reaction at constant volume is identified with _____________ change?
- A. Enthalpy B. Internal energy C. Either A. or B D. Neither A. nor B...
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