EXAM 2025 UPDATED QUESTIONS AND
CORRECT ANSWERS VERIFIED ANSWERS
NEWEST VERSION BRAND NEW VERSION!
1. As defined in Chapter one of this text, the primary purpose of a refrigeration
system it to? (pg. 1-3)
A) To freeze food
B) To cool buildings
C) To preserve food
D) To maintain a temperature
Answer D) To maintain a temperature
2. Operators must keep refrigeration systems operating safely and efficiently.
Which of the following best describes the areas of required knowledge for this
to be possible? (pg. 1-4)
A) Basic physical principles, interpretation of information from temperature
,and pressure gauges, basic operating principles
B) Basic physical principles, interpretation of information from temperature
and pressure gauges, manufacturer of the equipment
C) Interpretation of information from temperature and pressure gauges, basic
operating principles, company quality control policies and procedures
D) Interpretation of information from temperature and pressure gauges, man-
ufacturer of the equipment, company quality control policies and procedures-
Answer A) Basic physical principles, interpretation of information from temperature and pressure gauges, basic
operating principles
3. Mechanical refrigeration is a series of steps that? (pg. 1-2)
A) Moves heat energy from a space or object to an area where it can do no
harm
B) Adds cold to a space or object
C) Transforms heat energy into cold energy to reduce the temperature of the
,area to be cooled
D) Utilizes the cooling effect of compressing a gas to reduce the temperature
in a space or object
Answer A) Moves heat energy from a space or object to an area where it can do no harm
4. Heat energy always flows? (pg. 1-23)
A) From a substance with more heat energy [measured in BTUs] to a substance
with less heat energy [ measured in BTUs]
B) Regardless of temperature
, C) From an object at a higher temperature to an object at a lower temperature
D) From a liquid to a vapor
Answer C) From an object at a higher temperature to an object at a lower temperature
5. Sensible heat? (pg. 1-22)
A) Is measured using a pressure gauge
B) Is always between 32°F and 212°F
C) Is heat energy that causes a change of state but does not cause a change in
temperature
D) Is heat energy that causes a change in temperature but does not cause a
change of state
Answer D) Is heat energy that causes a change in temperature but does not cause a change of state
6. Latent heat? (pg. 1-22)
A) Is measured using a pressure gauge
B) Can be sensed by using a thermometer