Chapter 124

Question 1

Concentration of the lithium bromide can be most easily controlled by which of the following means?

Answer 1

Controlling the temperature in the generator

Question 2

During seasonal start-up when should the purge pump be started?

Answer 2

30 minutes after start-up

Question 3

Crystalization in a lithium bromide absorption refrigeration system is undesirable because it:

Answer 3

can block piping and passages, and can restrict flow

Question 4

The low pressure side of a lithium bromide absorption chiller consists of what two parts?

Answer 4

evaporator and absorber

Question 5

The vapour pressure of a solution depends on:

Answer 5

the temperature of the solution, and the concentration of the solution

Question 6

How is crystallization in a lithium bromide absorption chiller prevented during shutdown?

Answer 6

put the unit through a dilution cycle

Question 7

A dilution cycle is performed during the shutdown of an absorption refrigeration system to prevent?

Answer 7

crystallization

Question 8

The concentration of lithium bromide will chance during the absorption of?

Answer 8

Water vapour in the absorber

Question 9

How many pumps are there in a lithium bromide absorption chiller?

Answer 9

3

Question 10

If a saturated solution is heated?

Answer 10

it will become unsaturated

Question 11

Pump bearings in a lithium bromide absorption chiller may be made of plastic or?

Answer 11

carbon

Question 12

Octyl alcohol is added to lithium bromide solution to:

Answer 12

act as a wetting agent

Question 13

The high pressure side of a lithium bromide absorption chiller consists of what two parts?

Answer 13

generator and condenser