HVACR Journeyman Practice Exam.
Questions with Correct Verified
Answers 2026-2027. Graded A
14.7 psia (pounds per square inch absolute) is _________. – ANS
Approximately 0 PSIG
A 30 pound cylinder of reclaimed R-410A refrigerant has been stored over
night at 70°F. What should be the approximate pressure in the cylinder? -
ANS201 Psig
A compound pressure gauge connects ___________. - ANSto the low side
of the system.
A dirty evaporator and return air filters subsequently causes low evaporator
pressures which will cause - ANSHigh Compression Ratios
A refrigerant release heat when __________. - ANSIt condenses
A refrigeration system used to cool another refrigeration system is called a
_______. - ANSCascade System
A return grill, not using restrictive filters, should be sized to provide a
minimum of: - ANS144 unrestricted square inches per ton of capacity.
1
, Digital electronic controls are referred to as ______________. - ANSDirect
digital controls (DDC)
Ester based oils are ________. - ANSSynthetic Oil
Good field practice requires insulating the condensate line for at least the
first ____ feet of the run from the indoor unit installed in a hot attic. - ANS10
High temperature refrigeration applications normally provide box
temperatures of: - ANS47ºF to 60ºF
If a pressure control has been adjusted to cut in at 30 psig, in order to have
a 10 psig cut out, the differential setting of the control must be: - ANS20
Psig
In a (direct expansion) evaporator, liquid refrigerant must boil away as
close to the end of the coil as possible in order to: - ANSOperate at High
Efficiency.
Latent Heat - ANSthe energy absorbed by or released from a substance
during a phase change from a gas to a liquid or a solid or vice versa.
Refrigerant R-134a vapor enters the condenser at 124 psig, 100° F. It
leaves the condenser at 80° F. What will be the approximate pressure? -
ANS124 psig
2
Questions with Correct Verified
Answers 2026-2027. Graded A
14.7 psia (pounds per square inch absolute) is _________. – ANS
Approximately 0 PSIG
A 30 pound cylinder of reclaimed R-410A refrigerant has been stored over
night at 70°F. What should be the approximate pressure in the cylinder? -
ANS201 Psig
A compound pressure gauge connects ___________. - ANSto the low side
of the system.
A dirty evaporator and return air filters subsequently causes low evaporator
pressures which will cause - ANSHigh Compression Ratios
A refrigerant release heat when __________. - ANSIt condenses
A refrigeration system used to cool another refrigeration system is called a
_______. - ANSCascade System
A return grill, not using restrictive filters, should be sized to provide a
minimum of: - ANS144 unrestricted square inches per ton of capacity.
1
, Digital electronic controls are referred to as ______________. - ANSDirect
digital controls (DDC)
Ester based oils are ________. - ANSSynthetic Oil
Good field practice requires insulating the condensate line for at least the
first ____ feet of the run from the indoor unit installed in a hot attic. - ANS10
High temperature refrigeration applications normally provide box
temperatures of: - ANS47ºF to 60ºF
If a pressure control has been adjusted to cut in at 30 psig, in order to have
a 10 psig cut out, the differential setting of the control must be: - ANS20
Psig
In a (direct expansion) evaporator, liquid refrigerant must boil away as
close to the end of the coil as possible in order to: - ANSOperate at High
Efficiency.
Latent Heat - ANSthe energy absorbed by or released from a substance
during a phase change from a gas to a liquid or a solid or vice versa.
Refrigerant R-134a vapor enters the condenser at 124 psig, 100° F. It
leaves the condenser at 80° F. What will be the approximate pressure? -
ANS124 psig
2
