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Practice Questions



This activity contains 25 questions.

Question 1.

The process shown above is called


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Question 2.

The process shown above is called


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Question 3.

The process shown above is called


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Question 4.

In the above figure, the volume at Point "a" is 200 L and the pressure is 5 atm. The pressure at "b" is 1 atm. What is the work done?


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Question 5.

In the above figure, the volume at Point "a" is 200 L and the pressure is 5 atm. The volume at "b" is 400 L. What is the work done?


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Question 6.

In the above figure, the volume at Point "c" is 800 L and the pressure is 2 atm. The volume at "d" is 400 L. What is the work done?


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Question 7.

In the above figure, the volume at Point "c" is 800 L and the pressure is 2 atm. The volume at "a" is 400 L and the pressure is 5 atm. What is the work done as the system goes through one complete cycle abcd?


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Question 8.

In the above figure, the volume at Point "c" is 800 L and the pressure is 2 atm. The volume at "a" is 400 L and the pressure is 5 atm. What heat is absorbed by the system in the above square cycle?


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Question 9.

In the above figure the volume at Point "c" is 800 L and the pressure is 2 atm. The volume at "a" is 400 L and the pressure is 5 atm. What is the work done as the system goes through one complete cycle acda?


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Question 10.

In the above figure, the work is


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Question 11.

In the above figure, QH is 10000 J and QC is 6000 J. What is the efficiency?


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Question 12.

If the heat engine above is a Carnot engine, and QH is 10000 J, what is W?


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Question 13.
What is the heat loss, QC?


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Question 14.

What is the coefficient of performance (CP) of the reversible (Carnot) refrigerator shown above?


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Question 15.

What is the coefficient of performance (CP) of the reversible (Carnot) heat pump shown above?


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Question 16.

The heat engine shown above is


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Question 17.

The heat engine shown above is


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Question 18.

The heat engine shown above is


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Question 19.

Use this animation

The gas in the cylinder is undergoing a Carnot cycle. In which step is the gas absorbing heat?


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Question 20.
Use this animation

In which step is the temperature of the gas animation increasing?


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Question 21.
Use this animation

In which step is the gas animation losing heat?


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Question 22.
Use this animation

In which step is the gas animation doing work but not exchanging heat?


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Question 23.
A reservoir delivers 1000 J of heat to another reservoir at 133 oC. What is the increase in entropy of the second reservoir?


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Question 24.
A reservoir delivers 1000 J of heat to another reservoir at 133 oC. What can be said about the change in entropy of the first reservoir during the process?


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Question 25.

The chances of getting two heads when you throw two coins is 1/4. What is the chance of getting four heads when you throw four coins?


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