Answers (Latest Update 2026)
what does temperature indicate -
correct answer ✅intensity of heat energy in an object
what is required to move heat from one object to another -
correct answer ✅temperature difference
which of these is required to obtain a valid reading from a pressure
temperature chart -
correct answer ✅the refrigerant must be in a saturated condition
which of these is an essential component of a mechanical
refrigeration system -
correct answer ✅expansion device
what is a function of a compressor in a mechanical refrigeration
system -
correct answer ✅to accept vapor from the evaporator and
compress it to increase its pressure and temperature
which of these accurately describes subcooled liquid -
correct answer ✅liquid cooled below at saturation pressure
, Reta Test 1 Exam Questions and
Answers (Latest Update 2026)
what does the term compression ratio refer to -
correct answer ✅the ratio of discharge pressure to suction
pressure in PSIA
which refrigerant is more forgiving to moisture in the refrigeration
system -
correct answer ✅R-717
which of these is most likely to occur when air leaks into a
refrigeration system -
correct answer ✅an increase in compressor discharge pressure
which of these is the greatest risk from closing valves on each end
of a liquid line between a liquid pump and an evaporator during
maintenance of an ammonia refrigeration system -
correct answer ✅rupture of the line if the liquid warms
under what conditions do halocarbon refrigerants become most
hazardous -
correct answer ✅when did we come in contact with an open flame