engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Thermodynamics Properties of Pure Substances Phase Change of a Pure Substance
Which of the following statements is true about sensible heat?
1
It is the amount of energy given to a system to increase its enthalpy.
2
It is the molecular energy of a system stored in it because of random motion of the molecules of the system.
3
It is the amount of energy needed to increase or decrease the temperature of refrigerant.
4
It is the amount of energy required to convert liquid refrigerant into vapour refrigerant.