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"An ideal heat engine operates between 600 K and 900 K. efficiency of engine is", non flow systems Multiple Choice Questions (MCQ) with choices 45%, 90%, 33%, and 70% for engineering graduate colleges. Learn second law of thermodynamics questions and answers to improve problem solving skills for high school entrance exam.

Non flow systems Quiz

MCQ: An ideal heat engine operates between 600 K and 900 K. The efficiency of engine is

1. 90%
2. 45%
3. 33%
4. 70%

C

Specific Enthalpies of perfect gas Quiz

MCQ: A certain perfect gas has Cp = 0.846 KJ/kgK and Cv = 0.657 KJ/kgK. The molar mass of gas will be

1. 40 kg/kmol
2. 44 kg/kmol
3. 48 kg/kmol
4. 38 kg/kmol

B

Heat Work and System Quiz

MCQ: The thermodynamics properties that are independent of size of system are called

1. Intrinsic Properties
2. Extrinsic Properties
3. Open Properties
4. Close Properties

A

Entropy Quiz

MCQ: Change of entropy depends upon

1. Initial states
2. End States
3. Process between end states
4. None of these

B

Heat Work and System Quiz

MCQ: Heat and work are

1. Transitory Energies
2. Intrinsic Energies
3. Extrinsic Energies
4. Internal Energies

A