HVAC EXCELLENCE FINAL PAPER 2026 FULL QUESTIONS AND ANSWERS GUARANTEED TO PASS

HVAC EXCELLENCE FINAL PAPER 2026 FULL
QUESTIONS AND ANSWERS GUARANTEED TO
PASS


◍ A refrigerant overcharge in a capillary tube air conditioning system
will cause these symptoms Answer:High suction pressure and high
discharge pressure


◍ A compressor that has a broken reed valve will cause these symptoms
_________ Answer:High suction pressure and low discharge pressure


◍ A dirty evaporator in an air conditioning system will cause these
symptoms ___________ Answer:Low suction pressure and low
discharge pressure


◍ A sight glass would normally be located___________ Answer:In the
liquid line, before the metering device


◍ The automatic expansion valve is designed to maintain _________
Answer:Constant evaporator pressure

, ◍ An automatic expansion valve is best suited _________
Answer:When the system load remains fairly constant


◍ A TEV sensing bulb which becomes detached from the suction line
will cause these symptoms Answer:High suction pressure and higher
than normal discharge pressure


◍ When testing the efficiency of an air cooled condenser, the refrigerant
condensing temperature should be no more than ______ higher than the
entering air temperature Answer:30°F


◍ When testing the efficiency of a water cooled condenser, the
refrigerant condensing temperature should be approximately ________
higher than the leaving water temperature Answer:10 degrees F


◍ In an air conditioning system that uses a TXV, the temperature of the
evaporator outlet will usually be ________ Answer:Warmer than the
evaporator inlet


◍ The movement of heat through a solid object is called ___________
Answer:conduction


◍ 10 lbs. of refrigerant passing through a water cooled condenser will
lose 20 BTU's of heat per lb. If 10 lbs. of water passes through the