COMPLETE SOLUTION 2025/2026
1. What is the purpose of a refrigeration D. To maintain a tempera-
system
ture
A. To freeze food
B. To cool buildings
C. To preserve food
D. To maintain a temperature
2. Operators must keep refrigeration systems operating A. Basic physic
princi-
safely and efficiently. Which of the following best de- ples,
Interpreparation of
scribes the areas of required knowledge for this to be information
from tem-
possible perature and
? pressure gauges.
Basic operating
A. Basic physical principles, interpretation of informa- principles.
tion from temperature and pressure guages.
Basic operating principles.
B. Basic physical principles, interpretation of
informa- tion from temperature and pressure
guages. Manu- facturer of the equipment
C. Interpretation of information from
temperature and pressure guages. Basic
operating principles, com- pany quality control
policies and procedures.
3. Mechanical refrigeration is a series of steps that A. Moves heat energy fro
A. Moves heat energy from a space or object to an area a space or
object to an
where it can do no harm reduce the
B. Adds cold to a space or object temperatu
C. Transforms heat energy into cold energy to e of the
, area to be cooled area where it can do no
D. Utilizes the cooling effect of compressing a harm
gas to reduce the temperature in a space or
object
4. Heat energy always flows
A. From a substance with more heat energy to
a sub- C. From an object at a higher
temperature to an
, CARO BOOK QUESTION D. Heat
Study online at https://quizlet.com/_d2aw01 transferre
stance with less heat energy to a pan
B. Regardless of temperature setting on
C.From an object at a higher temperature to an an electric
object at a lower temperature hot plate
D. From a liquid to a vapor
5. Sensible heat
A. Is measured using a pressure guage
B. Is always between 32 and 212 degrees
Fahrenheit
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
6. latent heat
A. Is measured using a pressure guage
B. Can be sensed by using a thermometer
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
7. Which of the answers below is an example
of heat transfer by convection
A. The suns rays hitting roof
B. A rod that is heated on one end resulting
in a tem- perature change at the other end
C. Warm air rising and cold air falling
, C. Is heat energy that
causes a change of
object at a lower temper- ature
state but does not
cause a change of
state
Is heat energy that caus- es a change in tempera- ture but does not
cause a change of state
C. Warm air rising and
cold air falling
8. How does the refrigeration technician/operator know By using his
knowledge
what the conditions are within a refrigeration system of system
basic operat-