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Thermodynamics MCQS with Answers PDF

Practice top multiple choice questions (MCQs), topic summary, and verified answers for Thermodynamics MCQS with Answers PDF. Essential for Central & State competitive examinations. Solve these high-frequency practice questions with step-by-step solutions to evaluate your preparation level.

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Practice Questions & Explanations (10 Questions)
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Q1SSC / EngineeringMedium

The First Law of Thermodynamics is essentially a statement of:

Q2SSC / EngineeringMedium

According to the Second Law of Thermodynamics, the total entropy of an isolated system can never:

Q3SSC / EngineeringMedium

The measure of disorder or randomness in a closed system is called:

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Q4SSC / EngineeringMedium

Which of the following processes occurs without the transfer of heat between a thermodynamic system and its surroundings?

Q5SSC / EngineeringMedium

In an isothermal process, which property of the system remains constant?

Q6SSC / EngineeringMedium

The heat required to raise the temperature of a unit mass of a given substance by a given amount (usually one degree) is known as:

Q7SSC / EngineeringMedium

Which law of thermodynamics establishes the concept of temperature and thermal equilibrium?

Q8SSC / EngineeringMedium

The absolute zero of temperature, at which a system's entropy approaches a constant minimum, is defined by the:

Q9SSC / EngineeringMedium

A Carnot engine operating between two given temperatures has:

Q10SSC / EngineeringMedium

The equation relating enthalpy (H), internal energy (U), pressure (P), and volume (V) is:

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