Worksheets14. ACR-104 UNIT 24 REVIEW QUESTIONS
Total questions: 7
Worksheet time: 4mins
The needle and seat of a TXV are normally made of .
stainless steel
glass
aluminum
copper
Which is not a pressure or force acting on a TXV diaphragm?
Head pressure
Evaporator pressure
Spring pressure
Bulb pressure
The TXV tries to maintain a constant in the evaporator.
freeze
superheat
mid-range temperature
sub-cooling
The bulb of the TXV is mounted on the
compressor inlet.
compressor outlet.
evaporator inlet.
evaporator outlet.
The four types of TXV bulb charges are:
Liquid, vapor, ester, and mineral
Vapor, vapor cross, oil, and oil cross
Liquid, vapor, liquid cross, vapor cross
External, internal, balanced port, and electronic
The TXV responds to an increased heat load by
decreasing refrigerant flow.
keeping refrigerant flow constant.
increasing refrigerant flow.
not reacting to changing heat loads.
Factors that can affect the capacity of a TXV are the evaporator temperature, pressure drop across the valve, and temperature of liquid entering the valve.
True
False
