Chapter 123

Question 0

Most lithium bromide absorption systems are put in place where there is cheap excess heat or waste heat available. What is this heat primarily used for?
A) to pressurize the system
B) to maintain the continuous vacuum
C) to decrease the evaporation point of the refrigerant
D) to run the pumps which force the water through the sprayers
E) to evaporate the water out of the weak lithium bromide

Answer 0

E) to evaporate the water out of the weak lithium bromide

Question 1

What is the refrigerant in a lithium bromide system?

Answer 1

Water

Question 2

Why are ammonia refrigeration systems not used in air conditioning applications?
A) the systems are too expensive to build
B) the piping requirements are too large
C) due to the toxic properties of ammonia
D) ammonia systems have a limited capacity

Answer 2

C) due to the toxic properties of ammonia

Question 3

An absorption system requires less cooling water than a compression system.
A) true
B) false

Answer 3

B) false

Question 4

An absorption system requires more equipment and piping than a compression system.
A) true
B) false

Answer 4

A) true