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AE-JE (ME) || Thermodynamics Quiz - 2

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Question 1

A closed system is one in which ____.

Question 2

The value of specific heat for polytropic process will be (1<n<γ) _________.

Question 3

A mass m of a perfect gas at pressure p1 and volume V₁ undergoes an isothermal process. The final pressure is p₂ and volume is V₂. The work done on the system is considered positive. If R is the gas constant and T is the temperature, then the work done in the process is

Question 4

First law of thermodynamics states about ________.

Question 5

A mass m of a ideal gas at pressure P₁ and volume V₁ undergoes isothermal process. The final pressure is P₂ and volume V₂. The heat added to the system is considered as positive, then expression for heat interaction

Question 6

Which of the following represents the perpetual motion of the first kind

Question 7

Which of the following statements are TRUE with respect to heat and work?
(i) They are boundary phenomena
(ii) They are exact differentials
(iii) They are path functions

Question 8

An ideal gas of mass 0.5 kg has a pressure of 600 kPa, a temperature of 77

and a volume of 0.08 m³. This gas undergoes an irreversible process to a final pressure of 600 kPa and final volume of 0.12 m³, during which the heat addition and work done on gas are 2 kJ and 30 kJ respectively. The value of C_v of gas is

Question 9

For an adiabatic process, relation between open system work and close system work is given by

Question 10

In which of the following process, there is only work interaction between the system and the surroundings:-

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AE & JE Exams Mechanical Engineering

Nov 9AE & JE Exams