Ideal Gas & Processes

Isothermal, adiabatic, isobaric, and isochoric process MCQs. Ideal for students preparing board exams and competitive tests.

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QUESTION NO 01

In an adiabatic process,

Answer: No heat is exchanged

Adiabatic: Q = 0; the system does not exchange heat with surroundings.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 02

Specific heat capacity is heat required to raise temperature of?

Answer: Unit mass by 1 degree

c = Q/(mΔT); heat per unit mass per degree.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 03

Latent heat is associated with?

Answer: Change of phase at constant temperature

Latent heat is energy absorbed/released during phase change at constant T.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 04

Ideal gas law is?

Answer: PV = nRT

The equation of state for an ideal gas is PV = nRT.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 05

Entropy of an isolated system in a spontaneous process?

Answer: Increases or stays the same

Second law: entropy of an isolated system never decreases.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 06

Heat engine efficiency cannot be 100% because of?

Answer: Second law of thermodynamics

The second law forbids a perfect heat engine that converts all heat to work with no other effect.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 07

Conduction is heat transfer through?

Answer: Direct molecular contact in matter

Conduction transfers heat via particle collisions/contact within a material.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 08

Convection involves heat transfer by?

Answer: Bulk movement of fluid

Convection is heat carried by macroscopic motion of a fluid.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 09

Radiation can transfer heat through?

Answer: Vacuum

Thermal radiation (EM waves) propagates through vacuum.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 10

Triple point of water is approximately?

Answer: 0.01 °C at 611 Pa

Water's triple point is 0.01 °C and about 611.657 Pa.

Shahzad Mahota @shahzad-mahota

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Ideal Gas & Processes

In an adiabatic process,

Specific heat capacity is heat required to raise temperature of?

Latent heat is associated with?

Ideal gas law is?

Entropy of an isolated system in a spontaneous process?

Heat engine efficiency cannot be 100% because of?

Conduction is heat transfer through?

Convection involves heat transfer by?

Radiation can transfer heat through?

Triple point of water is approximately?

Published By

Shahzad Mahota

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00

00

00

00

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Ideal Gas & Processes

In an adiabatic process,

Explanation

Specific heat capacity is heat required to raise temperature of?

Explanation

Latent heat is associated with?

Explanation

Ideal gas law is?

Explanation

Entropy of an isolated system in a spontaneous process?

Explanation

Heat engine efficiency cannot be 100% because of?

Explanation

Conduction is heat transfer through?

Explanation

Convection involves heat transfer by?

Explanation

Radiation can transfer heat through?

Explanation

Triple point of water is approximately?

Explanation

Published By

Shahzad Mahota

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00

00

00

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