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Polytropic Process - Thermodynamics MCQ Questions

Polytropic Process MCQs : Here you will find MCQ Questions related to "Polytropic Process" in Thermodynamics. These Polytropic Process MCQ Questions Will help you to improve your Thermodynamics knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations




Question 1

The term polytropic was originally coined to describe any reversible process on any __________ system of gas or vapor.

A. open
B. closed
C. Both A and B
D. None of the above

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Question 2

The expression relating the properties of the system throughout the process is called the?

A. polytropic process
B. polytropic path
C. polytropic cycle
D. None of the above

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Question 3

A polytropic process is a thermodynamic process that obeys the relation

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 4

In polytropic process formula, n stands for?

A. pressure
B. constant
C. volumn
D. polytropic index

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Question 5

For which process, n=0?

A. isochoric process
B. isothermal process
C. isobaric process
D. isentropic process

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Question 6

A solution to the Lane–Emden equation using a polytropic fluid is known as a polytrope.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 7

When does pV=C condition there?

A. When n=0
B. When n=1
C. When n=infinity
D. All of the above

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Question 8

The piston/cylinder contains carbon dioxide at 300 kPa, with volume of 0.2 m3 and at 100°C. Mass is added at such that the gas compresses with PV^(1.2) = constant to a final temperature of 200°C. Determine the work done during the process.

A. -80.4 kJ
B. -40.4 kJ
C. -60.4 kJ
D. -50.4 kJ

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Question 9

Neon at 400 kPa, 20°C is brought to 100°C in a polytropic process with n = 1.4. Find the work done.

A. -52.39 kJ/kg
B. -62.39 kJ/kg
C. -72.39 kJ/kg
D. -82.39 kJ/kg

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Question 10

A cylinder/piston contains 1kg methane gas at 100 kPa, 20°C. The gas is compressed reversibly to a pressure of 800 kPa. Calculate the work required if the process is isothermal.

A. -216.0 kJ
B. -416.0 kJ
C. -316.0 kJ
D. -516.0 kJ

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