Esco Heat pump exam Questions and
Answers 100% Pass
1. An air-to-air heat pump has many of the same components as an air
conditioning system. The major difference is that a heat pump also has a (an); -
ANSWER-C: reversing valve.
Question: 2. What is the difference between "demand defrost" and "timed
defrost?" - ANSWER-D: demand defrost only happens when needed, and time
defrost is on timed temperature
Question: 3. The thermostat that controls the auxiliary electric heat according to
the outdoor temperature is called the; - ANSWER-C: outdoor ambient thermostat.
Question: 4. The outdoor temperature at which the heat pump provides the same
amount of heat as the heat loss of the conditioned space without auxiliary heat is
known as the; - ANSWER-A: initial balance point.
Question: 5. At what temperature is an outdoor ambient thermostat normally set? -
ANSWER-B: At or slightly above the initial balance point.
, Question: 6. The outdoor coil is frozen solid on a "no heat" service call. The most
likely reason is: - ANSWER-D: outdoor fan is inoperative
Question: 7. In order to determine a heat pumps' balance point, you must first
calculate; - ANSWER-A: the building's heat load.
Question: 8. Heat pumps are sized to handle the; - ANSWER-A: cooling load.
Question: 9. a high efficiency heat pump system designed to function from high or
low ambient conditions below 10F may have; - ANSWER-C: auxiliary heat
exchanger injected with a ethylene glycol solution.
Question: 10. Room thermostats for heat pumps should be installed; - ANSWER-
B: as near to the main return air grill as possible.
Question: 11. When the heat pump compressor has malfunetioned, the cus tomer
has the option to switch the system into; - ANSWER-B: emergency heat mode.
Question: 12. Start-up with a night set back digital thermostat requires the
technician to always; - ANSWER-D: teach the customer to program the
thermostat.
Question: 13. The heat pump defrost board can be manipulated by the technician
to; - ANSWER-C: simulate the defrost cycle.
Answers 100% Pass
1. An air-to-air heat pump has many of the same components as an air
conditioning system. The major difference is that a heat pump also has a (an); -
ANSWER-C: reversing valve.
Question: 2. What is the difference between "demand defrost" and "timed
defrost?" - ANSWER-D: demand defrost only happens when needed, and time
defrost is on timed temperature
Question: 3. The thermostat that controls the auxiliary electric heat according to
the outdoor temperature is called the; - ANSWER-C: outdoor ambient thermostat.
Question: 4. The outdoor temperature at which the heat pump provides the same
amount of heat as the heat loss of the conditioned space without auxiliary heat is
known as the; - ANSWER-A: initial balance point.
Question: 5. At what temperature is an outdoor ambient thermostat normally set? -
ANSWER-B: At or slightly above the initial balance point.
, Question: 6. The outdoor coil is frozen solid on a "no heat" service call. The most
likely reason is: - ANSWER-D: outdoor fan is inoperative
Question: 7. In order to determine a heat pumps' balance point, you must first
calculate; - ANSWER-A: the building's heat load.
Question: 8. Heat pumps are sized to handle the; - ANSWER-A: cooling load.
Question: 9. a high efficiency heat pump system designed to function from high or
low ambient conditions below 10F may have; - ANSWER-C: auxiliary heat
exchanger injected with a ethylene glycol solution.
Question: 10. Room thermostats for heat pumps should be installed; - ANSWER-
B: as near to the main return air grill as possible.
Question: 11. When the heat pump compressor has malfunetioned, the cus tomer
has the option to switch the system into; - ANSWER-B: emergency heat mode.
Question: 12. Start-up with a night set back digital thermostat requires the
technician to always; - ANSWER-D: teach the customer to program the
thermostat.
Question: 13. The heat pump defrost board can be manipulated by the technician
to; - ANSWER-C: simulate the defrost cycle.
