heat pumps Exam Questions and
Answers 100% Pass
List three characteristics of fluids used in heat exchange pumps. - ANSWER-
transfer heat readily.
have a low cost.
be environmentally safe.
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. -
ANSWER-True
When a heat pump is supplying as much heat as the load requires and is operating
continuously, it is at what is called the - ANSWER-balance point
An advantage of a "parallel flow" configuration of ground loops is _ - ANSWER-
smaller diameter pipes
When a compressor is changed, the four-way valve also must be changed. -
ANSWER-False
The indoor coil acts as the evaporator in the summer and as the - ANSWER-
condenser
In a closed-loop system, the plastic water pipes that are buried in the Earth are
called ____ - ANSWER-ground loops and water loops
A dry well is most commonly used as part of a(n) - ANSWER-open-loop
If a heat pump is not capable of handling the heat load, a(n)
, Answer
heat source will be added to help handle the load. - ANSWER-auxiliary
What are the advantages of a parallel-flow system? - ANSWER-Smaller-diameter
and lower-cost piping
Lower installation and labor costs
Less antifreeze required
The hot gas line from the heat pump's compressor can be used to - ANSWER-
heat domestic water
Open-loop, water-source heat pump systems involve the transfer of heat between a
water source and the air or water being circulated to a(n) - ANSWER-conditioned
Termination of the defrost cycle occurs when the liquid off the outside coil reaches
_ - ANSWER-50f
The suction line is known as the ____ line in an air-to-air heat pump split system. -
ANSWER-Gas
Since the Earth's crust is cooler than the air during the summer, it can be used to
accept air conditioning heat loads. - ANSWER-True
The
Answer
is a four-port valve that has a slide mechanism in it. - ANSWER-four-way
reversing valve
TXVs used in air conditioning units and heat pumps are interchangeable as long as
they are the same size and for the same refrigerant. - ANSWER-False
Answers 100% Pass
List three characteristics of fluids used in heat exchange pumps. - ANSWER-
transfer heat readily.
have a low cost.
be environmentally safe.
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. -
ANSWER-True
When a heat pump is supplying as much heat as the load requires and is operating
continuously, it is at what is called the - ANSWER-balance point
An advantage of a "parallel flow" configuration of ground loops is _ - ANSWER-
smaller diameter pipes
When a compressor is changed, the four-way valve also must be changed. -
ANSWER-False
The indoor coil acts as the evaporator in the summer and as the - ANSWER-
condenser
In a closed-loop system, the plastic water pipes that are buried in the Earth are
called ____ - ANSWER-ground loops and water loops
A dry well is most commonly used as part of a(n) - ANSWER-open-loop
If a heat pump is not capable of handling the heat load, a(n)
, Answer
heat source will be added to help handle the load. - ANSWER-auxiliary
What are the advantages of a parallel-flow system? - ANSWER-Smaller-diameter
and lower-cost piping
Lower installation and labor costs
Less antifreeze required
The hot gas line from the heat pump's compressor can be used to - ANSWER-
heat domestic water
Open-loop, water-source heat pump systems involve the transfer of heat between a
water source and the air or water being circulated to a(n) - ANSWER-conditioned
Termination of the defrost cycle occurs when the liquid off the outside coil reaches
_ - ANSWER-50f
The suction line is known as the ____ line in an air-to-air heat pump split system. -
ANSWER-Gas
Since the Earth's crust is cooler than the air during the summer, it can be used to
accept air conditioning heat loads. - ANSWER-True
The
Answer
is a four-port valve that has a slide mechanism in it. - ANSWER-four-way
reversing valve
TXVs used in air conditioning units and heat pumps are interchangeable as long as
they are the same size and for the same refrigerant. - ANSWER-False
