Question

First law of thermodynamics deals with _______

(a) Conservation of mass

(b) Conservation of momentum

(c) Conservation of energy

(d) Conservation of pressure

I got this question in examination.

This intriguing question originated from First Law of Thermodynamics topic in section Fluid Dynamics of Fluid Mechanics

Answer 1

The correct answer is (c) Conservation of energy

Easy explanation: First law corresponds to the law of conservation of energy. It states that energy can neither be created nor destroyed, but can be transformed from one form to the other. It follows the principle of heat transfer and energy transfer.