Chapter 17

Question 1

Which of the following are the major components that comprise a basic mechanical refrigeration system?
A. Evaporator
B. Condenser
C. Compressor
D. All of the above

Answer 1

D

Question 2

What brine temperature is used when cooling an ice surface?
A. -11°C (12°F)
B. -5°C (23°F)
C. -18°C (0°F)
D. -25°C (13°F)

Answer 2

A

Question 3

What is the lowest temperature at which a brine solution can operate before it freezes when used in an indirect system?
A. -10°C (14°F)
B. -15°C (5°F)
C. -50°C (-58°F)
D. -25°C (13°F)

Answer 3

C

Question 4

What is the term used to describe the device used on a centrifugal chiller to improve efficiency and provide an intercooling effect?
A. Compressor
B. Economizer
C. Expansion Valve
D. Condenser

Answer 4

B