13) How the level of heat in a substance is expressed?
Answer is:
Temperature
Related Basic Refrigeration MCQ with Answers
Answer is:
Potential energy
Explanation:
Potential energy is the energy possessed by a body for doing work, by virtue of its position.
m=Mass of the body
W= Weight of the body = m.g, and
h=Distance through which the body falls.
Potential energy = W.h=m.g.h
Answer is: