A. Cold reservoir approaches zero
B. Hot reservoir approaches infinity
C. Either A. or B
D. Neither A. nor B
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Related Mcqs:
- The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is____________________?
- A. 100,000 kW B. 160,000 kW C. 200,000 kW D. 320,000 kW...
- Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the__________________?
- A. Two temperatures only B. Pressure of working fluid C. Mass of the working fluid D. Mass and pressure both of the working fluid...
- The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 – T2)/T1. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T1 and T2 is given by__________________?
- A. T1/(T1-T2) B. T2/(T1-T2) C. T1/T2 D. T2/R1...
- Efficiency of a Carnot engine working between temperatures T1 and T2 (T1 < T) is ________________?
- A. (T2 – T1)/T2 B. (T2 – T1)/T1 C. (T1 – T2)/T2 D. (T1 – T2)/T1...
- The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be _______________?
- A. More B. Less C. Same D. Data insufficient to predict...
- In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respectively, the Carnot COP will be________________?
- A. 5.2 B. 6.2 C. 0.168 D. Data insufficient, can’t be found out...
- A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is_________________?
- A. 349 B. 651 C. 667 D. 1000...
- Which of the following has the least thermal efficiency ?
- A. Steam engine B. Carnot engine C. Diesel engine D. Otto engine...
- Equation which relates pressure, volume and temperature of a gas is called the__________________?
- A. Equation of state B. Gibbs Duhem equation C. Ideal gas equation D. None of these...
- Co-efficient of performance for a reversed Carnot cycle working between temperatures T1 and T2 (T1 > T2) is ___________________?
- A. T2/(T1 – T2) B. T1/(T1 – T2) C. (T1 – T2)/T1 D. (T1 – T2)/T2...
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