HVAC Heat pump Test 2 (Week 5)

Electric Strip heat is the most common form of Auxiliary Heat that is used.

• True

• False

As a rule, heat pumps are sized for the heating load of a structure and should be capable of handling the entire heating load at any outdoor temperature.

• True

• False

Tags

NGSS.HS-PS3-4

As the temperature outdoors decreases, the COP of a heat pump will:

• decrease

• increase as the auxiliary heat helps add heat

• increase

• stay the same

Auxiliary Heat CAN be:

• All of these

• Oil

• Gas

• Electric

Tags

NGSS.HS-PS3-3

What is typically the highest attainable COP for an air-to-air heat pump?

• 3:1

• 4:1

• 3.5:1

• 1:1

Tags

NGSS.HS-PS3-4

The general rule of Auxiliary heat is that it should be sized to _____ % of the total heating load of the structure.

• 90

• 80

• 75

• 85

What is required for low temperatures when the heat pump cannot adequately meet all the heating needs of the structure?

• Extra Heat

• Ancillary Heat

• Auxiliary Heat

• Exemplary Heat

Tags

NGSS.HS-PS3-4

If a heat pump is coupled with a gas furnace as part of a dual fuel system and the temperature outside drops below the balance point, what happens to the heat pump?

• cycles off before the gas furnace turns on

• both shut off below the balance point

• runs together with the gas furnace

• continues to run and the gas furnace is not allowed to run

Tags

NGSS.HS-PS3-4

When Auxiliary Heat is used by itself or in the case of Heat Pump Failure, it is known as:

• Accessory Heat

• Supplemental Heat

• Additional Heat

• Emergency Heat

Tags

NGSS.HS-PS3-4

In a dual fuel system, the indoor coil of the heat pump is put before (upstream of) the heat exchanger of the gas furnace in the airstream.

• True

• False