Mechanical Engineering Exam > Mechanical Engineering Tests > Thermodynamics > Test: Second Law of Thermodynamics - 2 - Mechanical Engineering MCQ
Test: Second Law of Thermodynamics - 2 - Mechanical Engineering MCQ
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Test: Second Law of Thermodynamics - 2 - Question 1
Which aspect is not true in the context of the efficiency of a Carnot cycle engine?The efficiency of a Carnot cycle engine
Test: Second Law of Thermodynamics - 2 - Question 2
Consider the following statements:
1. It is the second law of thermodynamics which provides criterion as to the probability of various processes.
2. Heat and work are completely interchangeable forms of energy.
3. Work is high grade energy.
4. The complete conversion of low grade energy into high grade energy in a cycle is impossible.
Which of the above statements are correct
1. It is the second law of thermodynamics which provides criterion as to the probability of various processes.
2. Heat and work are completely interchangeable forms of energy.
3. Work is high grade energy.
4. The complete conversion of low grade energy into high grade energy in a cycle is impossible.
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Detailed Solution for Test: Second Law of Thermodynamics - 2 - Question 3
Test: Second Law of Thermodynamics - 2 - Question 4
Perpetual motion machine of second kind violates the
Detailed Solution for Test: Second Law of Thermodynamics - 2 - Question 4
Test: Second Law of Thermodynamics - 2 - Question 5
The efficiency of a thermodynamic cycle cannot be infinite since it
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Test: Second Law of Thermodynamics - 2 - Question 8
The efficiency of the Carnot cycle may be increased by
Test: Second Law of Thermodynamics - 2 - Question 9
In a Carnot engine, when working substance gives heat to the sink
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Test: Second Law of Thermodynamics - 2 - Question 10
Which of the following represents Carnot cycle
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