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Ideal Gas & Processes

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

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Ideal Gas & Processes
QUESTION NO 01
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 @shahzad-mahota
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QUESTION NO 02
Radiation can transfer heat through?

Answer: Vacuum
Thermal radiation (EM waves) propagates through vacuum.
Shahzad Mahota
Shahzad Mahota @shahzad-mahota
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QUESTION NO 03
Convection involves heat transfer by?

Answer: Bulk movement of fluid
Convection is heat carried by macroscopic motion of a fluid.
Shahzad Mahota
Shahzad Mahota @shahzad-mahota
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QUESTION NO 04
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 @shahzad-mahota
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QUESTION NO 05
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 @shahzad-mahota
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QUESTION NO 06
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 @shahzad-mahota
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QUESTION NO 07
Ideal gas law is?

Answer: PV = nRT
The equation of state for an ideal gas is PV = nRT.
Shahzad Mahota
Shahzad Mahota @shahzad-mahota
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QUESTION NO 08
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 @shahzad-mahota
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QUESTION NO 09
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 @shahzad-mahota
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QUESTION NO 10
In an adiabatic process,

Answer: No heat is exchanged
Adiabatic: Q = 0; the system does not exchange heat with surroundings.
Shahzad Mahota
Shahzad Mahota @shahzad-mahota
52 Quizzes
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Shahzad Mahota

dev.shahzadmahota@gmail.com

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