HVAC Final Exam with All Correct & 100% Verified
Answers |Latest Version| Already Graded A+
a unit is operating with a lower than normal suction pressure the probable cause is ✔Correct
Answer-a restricted drier
heat absorbed by the refrigerant in the evaporator is rejected at the ✔Correct Answer-condenser
the components that divide the high and low side of the mechanical refrigeration cycle are the
✔Correct Answer-compressor discharge valve and metering device
what is the purpose of purging the service manifold ✔Correct Answer-remove air moisture
to transfer refrigerant from a bulky Supply cylinder to a 30 lb capacity reusable cylinder the
technician should ___________ the service cylinder ✔Correct Answer-warm
and infinity reading on the ohmmeter Meter indicates a ✔Correct Answer-open circuit
the main purpose of the condenser is to ✔Correct Answer-change refrigerant Vapor to a liquid
a vibration Eliminator would be located in a line near the ✔Correct Answer-compressor
a device that may open if there is an extremely dirty condenser and the system does not have the
proper safety control is the ✔Correct Answer-pressure relief valve
which statement is true when it pertains to the solenoid valve ✔Correct Answer-
which of the following is most important to observe when installing a dryer in a system ✔Correct
Answer-the direction of flow through the dryer
the most important step of installing a service manifold on a unit is to ✔Correct Answer-Purge
the hoses
which of the following conditions will not cause a high discharge pressure ✔Correct Answer-dirty
evaporator
how does a sight glass moisture indicator show the presence of moisture in a system ✔Correct
Answer-changes color
which system component will moisture affect first ✔Correct Answer-condenser
which of the following will not cause low suction pressure ✔Correct Answer-an charged
overcharge of refrigerant
the catalog listing for T fittings shows the following measurements 1/2 x 3/8 x 1/4 what is the
dimension of the branch of the T ✔Correct Answer-1/4 inch
Answers |Latest Version| Already Graded A+
a unit is operating with a lower than normal suction pressure the probable cause is ✔Correct
Answer-a restricted drier
heat absorbed by the refrigerant in the evaporator is rejected at the ✔Correct Answer-condenser
the components that divide the high and low side of the mechanical refrigeration cycle are the
✔Correct Answer-compressor discharge valve and metering device
what is the purpose of purging the service manifold ✔Correct Answer-remove air moisture
to transfer refrigerant from a bulky Supply cylinder to a 30 lb capacity reusable cylinder the
technician should ___________ the service cylinder ✔Correct Answer-warm
and infinity reading on the ohmmeter Meter indicates a ✔Correct Answer-open circuit
the main purpose of the condenser is to ✔Correct Answer-change refrigerant Vapor to a liquid
a vibration Eliminator would be located in a line near the ✔Correct Answer-compressor
a device that may open if there is an extremely dirty condenser and the system does not have the
proper safety control is the ✔Correct Answer-pressure relief valve
which statement is true when it pertains to the solenoid valve ✔Correct Answer-
which of the following is most important to observe when installing a dryer in a system ✔Correct
Answer-the direction of flow through the dryer
the most important step of installing a service manifold on a unit is to ✔Correct Answer-Purge
the hoses
which of the following conditions will not cause a high discharge pressure ✔Correct Answer-dirty
evaporator
how does a sight glass moisture indicator show the presence of moisture in a system ✔Correct
Answer-changes color
which system component will moisture affect first ✔Correct Answer-condenser
which of the following will not cause low suction pressure ✔Correct Answer-an charged
overcharge of refrigerant
the catalog listing for T fittings shows the following measurements 1/2 x 3/8 x 1/4 what is the
dimension of the branch of the T ✔Correct Answer-1/4 inch
