HVAC NATE Heat Pump Exam (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A
Question:
What is the capability of electronic programmable room thermostat to reset the set point early so that the space temperature reaches a set temperature at a specific time called?
Answer:
Computed recovery
Question:
What is an important reason for using electronic controls?
Answer:
They can make decisions based on many inputs.
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Question:
When using a double (dual) element time-delay fuse with a 20 amp motor, what is the maximum fuse size that should be used?
Answer:
25amps
Question:
According to fire protection codes, fire dampers should be used when?
Answer:
In any air duct the passes through walls or partitions of a light commercial installation.
Question:
What is balance point in a heat pump?
Answer:
When the capacity, BTU, is the same rate as the heat loss of a structure.
Question:
Do electric air cleaners remove odors?
Answer:
No
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Question:
When should a suction line accumulator be used in a residential heat pump?
Answer:
Only when recommended by the manufacturer if long refrigerant lines increase system charge over recommended maximum charge.
Question:
The measurement of a heat pumps efficiency is often stated using its "Coefficient of Performance" or COP. What is the COP (Coefficient of Performance)of a heat pump?
Answer:
Heat pumps heat output (watts) divided by its total electrical input (watts)
Question:
What is a benefit in using electronic air cleaner?
Answer:
Indoor Air Quality (IAQ) quality is improved.
Question:
What is the thermal balance point of a dual fuel heat pump?
Answer:
Outdoor conditions at which the capacity of auxiliary heat alone matches the heating load. 3 / 4
Question:
What is the minimum circuit amp listed on a units' data plate is used to determine?
Answer:
The max fuse or circuit breaker size.
Question:
How are heat pumps particularly sized?
Answer:
Based on the cooling load.
Question:
What is an effective method of reducing sound when AHU is located in a closet?
Answer:
Use Vibration isolators.
Question:
When wiring a 20 amp FLA motor what is the minimum amp fuse or circuit breaker that should be used?
Answer:
25amp
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