RETA PRACTICE TEST1 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) | GRADED A+ | NEW UPDATE 2026
what does temperature indicate - ANSWERS intensity of heat energy in an
object
what is required to move heat from one object to another - ANSWERS
temperature difference
which of these is required to obtain a valid reading from a pressure temperature
chart - ANSWERS the refrigerant must be in a saturated condition
which of these is an essential component of a mechanical refrigeration system -
ANSWERS expansion device
what is a function of a compressor in a mechanical refrigeration system -
ANSWERS to accept vapor from the evaporator and compress it to increase its
pressure and temperature
which of these accurately describes subcooled liquid - ANSWERS liquid cooled
below at saturation pressure
what does the term compression ratio refer to - ANSWERS the ratio of
discharge pressure to suction pressure in PSIA
, which refrigerant is more forgiving to moisture in the refrigeration system -
ANSWERS R-717
which of these is most likely to occur when air leaks into a refrigeration system -
ANSWERS 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 - ANSWERS rupture of the line if the liquid warms
under what conditions do halocarbon refrigerants become most hazardous -
ANSWERS when did we come in contact with an open flame
which of these conditions is indicated in an ammonia condenser operating with
180 PSIG pressure at the drain outlet and 90 degrees Fahrenheit liquid
temperature leaving the condenser - ANSWERS non condensables in the
condenser
What Will Liquid refrigerant trap in a pipe do when heated - ANSWERS expand
which industrial compressor would be direct drive at 3600 RPM - ANSWERS
screw compressor
why is the discharge temperature of a screw compressor lower than the discharge
temperature of a reciprocating compressor - ANSWERS significant quantities
of oil flow into the rotor section of a screw compressor
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) | GRADED A+ | NEW UPDATE 2026
what does temperature indicate - ANSWERS intensity of heat energy in an
object
what is required to move heat from one object to another - ANSWERS
temperature difference
which of these is required to obtain a valid reading from a pressure temperature
chart - ANSWERS the refrigerant must be in a saturated condition
which of these is an essential component of a mechanical refrigeration system -
ANSWERS expansion device
what is a function of a compressor in a mechanical refrigeration system -
ANSWERS to accept vapor from the evaporator and compress it to increase its
pressure and temperature
which of these accurately describes subcooled liquid - ANSWERS liquid cooled
below at saturation pressure
what does the term compression ratio refer to - ANSWERS the ratio of
discharge pressure to suction pressure in PSIA
, which refrigerant is more forgiving to moisture in the refrigeration system -
ANSWERS R-717
which of these is most likely to occur when air leaks into a refrigeration system -
ANSWERS 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 - ANSWERS rupture of the line if the liquid warms
under what conditions do halocarbon refrigerants become most hazardous -
ANSWERS when did we come in contact with an open flame
which of these conditions is indicated in an ammonia condenser operating with
180 PSIG pressure at the drain outlet and 90 degrees Fahrenheit liquid
temperature leaving the condenser - ANSWERS non condensables in the
condenser
What Will Liquid refrigerant trap in a pipe do when heated - ANSWERS expand
which industrial compressor would be direct drive at 3600 RPM - ANSWERS
screw compressor
why is the discharge temperature of a screw compressor lower than the discharge
temperature of a reciprocating compressor - ANSWERS significant quantities
of oil flow into the rotor section of a screw compressor