COMPLETE QUESTIONS AND SOLUTIONS
100% CORRECT
◉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