Heat Pumps Exam Questions AND Correct Answers
A "dedicated" geothermal well is part of a(n) - ✔✔closed-loop
A domestic hot water loop is often used for heating domestic
hot water from the hot discharge gas coming from the heat
pump's refrigerant compressor. - ✔✔True
A dry well is most commonly used as part of a(n) - ✔✔open-
loop
A pressure augmented defrost control is activated by the _ -
✔✔difference in the pressure of the air through the outdoor
coil
A technician goes on a heat pump service call and finds the
compressor is extremely hot and the suction line is also hot.
What is the problem? - ✔✔The four-way valve is leaking
internally.
A(n)
Answer
, blower is used to move the air through the air distribution
system. - ✔✔squirrel cage
A(n)
Answer
thermostatic expansion valve has a check valve built into the
body of the TXV. - ✔✔bi- directional
An advantage of a "parallel flow" configuration of ground
loops is _ - ✔✔smaller diameter pipes
An advantage of a "series flow" configuration of ground loops
is - ✔✔ease of removing trapped air
An air-to-air heat pump ____ heat from the outside air and
deposits it in the conditioned space. - ✔✔removes
Before deciding to purchase or install an open-loop system,
the
Answer
must be evaluated first. - ✔✔water quality
A "dedicated" geothermal well is part of a(n) - ✔✔closed-loop
A domestic hot water loop is often used for heating domestic
hot water from the hot discharge gas coming from the heat
pump's refrigerant compressor. - ✔✔True
A dry well is most commonly used as part of a(n) - ✔✔open-
loop
A pressure augmented defrost control is activated by the _ -
✔✔difference in the pressure of the air through the outdoor
coil
A technician goes on a heat pump service call and finds the
compressor is extremely hot and the suction line is also hot.
What is the problem? - ✔✔The four-way valve is leaking
internally.
A(n)
Answer
, blower is used to move the air through the air distribution
system. - ✔✔squirrel cage
A(n)
Answer
thermostatic expansion valve has a check valve built into the
body of the TXV. - ✔✔bi- directional
An advantage of a "parallel flow" configuration of ground
loops is _ - ✔✔smaller diameter pipes
An advantage of a "series flow" configuration of ground loops
is - ✔✔ease of removing trapped air
An air-to-air heat pump ____ heat from the outside air and
deposits it in the conditioned space. - ✔✔removes
Before deciding to purchase or install an open-loop system,
the
Answer
must be evaluated first. - ✔✔water quality
