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___________ is the difference between the boiling point temperature of the refrigerant in the evaporator coil and the actual temperature of the refrigerant gas as it leaves the evaporator.

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in Food Processing Unit Operations by (110k points)
___________ is the difference between the boiling point temperature of the refrigerant in the evaporator coil and the actual temperature of the refrigerant gas as it leaves the evaporator.

(a) Superheat

(b) Critical point

(c) Supercool

(d) Drastic point

I got this question during an online interview.

This intriguing question comes from Heat Transfer Applications topic in chapter Heat Transfer Applications of Food Processing Unit Operations

1 Answer

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Best answer
The correct choice is (a) Superheat

The explanation: Superheat is the difference between the refrigerant‘s boiling point temperature in the evaporator coil and actual temperature of the refrigerant when it leaves the evaporator. This is also known as metastable state. In this state the boiling can happen at any time, depending on the internal or external effects.

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