Thermodynamics Multiple Questions and Answers.
Exercise Questions ::
Kinetic Theory of Gases
1. A system, after passing through different states returns back to its original state, is called?
A. Cyclic process B. Isothermal process C. Adiabatic process D. Isobaric process
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Answer: Option A
Explanation:
A process in which the system after undergoing a series of changes returns to its initial state is called a cyclic process.
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Answer: Option C
Explanation:
Work is not a state variable. It is a mod of transfer of energy from the system to surrounding or vice versa.
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Answer: Option C
Explanation:
W=P∆V=R∆T W=2calK-1 ×200K W=400cal.
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4. Which of the following is not a state function?
A. Work done at constant pressure B. Enthalpy C. Work done by conservative force D. Work done by non0conservative force
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Answer: Option D
Explanation:
Work done by non-conservative force is not a state of function. The work done will be different along different paths between two given states of the system.
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5. The door of a domestic refrigerator is kept open while the switch is on. Then the room will?
A. Get heated B. Ger neither heated nor cooled C. Gets cooled D. Gets heated first and then cools
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Answer: Option A
Explanation:
Temperature of the room will rise because refrigerator takes less heat from the room and rejects more heat.
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