Chapter 115

Question 0

Refrigerant condensers:
A) are always water cooled
B) cool the gas refrigerant discharged from the compressor and condense the vapour to a liquid
C) have a safety valve
D) remove sensible heat only from the refrigerant
E) are not required for freon type refrigeration

Answer 0

B) cool the gas refrigerant discharged from the compressor and condense the vapour to a liquid

Question 1

What is the term used to describe the device used on a centrifugal chiller to improve efficiency and provide an inter cooling effect?
A) inter cooler
B) economizer
C) compressor
D) separator
E) purifier

Answer 1

B) economizer

Question 2

Another name for a direct refrigeration system is a direct ____ system.

Answer 2

Expansion