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Mechanical Engineering

Thermodynamics, hydraulics, machine design

82 Q 3 Topics Take Test

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Q.81 Easy Thermodynamics

The First Law of Thermodynamics is a statement of conservation of:

A Momentum

B Energy

C Entropy

D Enthalpy

Correct Answer: B. Energy

EXPLANATION

The First Law of Thermodynamics states that energy cannot be created or destroyed, only converted from one form to another.

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Q.82 Easy Thermodynamics

Which of the following is an intensive property in thermodynamics?

A Temperature

B Mass

C Volume

D Weight

Correct Answer: A. Temperature

EXPLANATION

Temperature is an intensive property as it does not depend on the quantity of matter. Mass, volume, and weight are extensive properties.

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