Questions & Answers (Grade A+)
As defined in chapter 1 of this text the primary purpose of
refrigeration system is -
correct answer ✅To maintain a temperature
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. -
correct answer ✅Basic physical principles, Interpreparation of
information from temperature and pressure gauges. Basic operating
principles.
Mechanical refrigeration is a series of steps that -
correct answer ✅moves heat energy from the space or object to
an area where It can do no harm.
Heat energy always flows -
correct answer ✅From an object at a higher temperature to an
object at a lower temperature
sensible heat -
correct answer ✅Is heat energy that causes a change in
temperature but does not cause a change of state
, Industrial Refrigeration Exam
Questions & Answers (Grade A+)
Latent heat -
correct answer ✅Is heat energy that causes a change of state but
does not cause a change in temperature
Which of the answers below is an example of heat transfer by
convection -
correct answer ✅Warm air moving over an object
How does the refrigeration technician/operator know what the
conditions are within the refrigeration system -
correct answer ✅By using his knowledge of system basic operating
principles to evaluate temperature and pressure readings
How was cooling accomplished by mechanical refrigeration system -
correct answer ✅By removing heat energy from one object or area
Which of the following is used to measure the quality of heat
energy -
correct answer ✅British thermal units BTUs or calories.
Which of the following are used in heat calculations -
correct answer ✅Mass, latent heat, temperature, specific heat.