AC and Heat Pump Equipment ID Quiz

1. Question

At which part of an refrigeration system does the liquid refrigerant first begin to vaporize?

The expansion device.

The condenser.

The compressor.

The vaporizer.

2. Question

In a split-system air conditioner, what components are located in the air handler?

Evaporator and expansion device.

Condenser and evaporator.

Compressor and evaporator.

Condenser and compressor.

3. Question

What component does a heat pump have that an air conditioner doesn’t?

Reversing valve.

Pressure transducer.

Evaporator.

Expansion valve.

4. Question

What does the expansion device, or thermostatic expansion valve (TXV) control?

Liquid refrigerant entering the evaporator.

Gaseous refrigerant entering the evaporator.

Gaseous refrigerant entering the condenser.

Liquid refrigerant entering the condenser.

5. Question

What is the cooling coil in an air conditioner called?

The evaporator.

The compressor.

The condenser.

The choke coil.

6. Question

What is the most common heat source for heat pumps?

Air.

Geothermal mass.

Water.

Refrigerant.

7. Question

What part of an air-conditioning system expels heat to outdoors?

Condenser.

Compressor.

Evaporator.

Rejecter.

8. Question

Where is the condenser in a room air conditioner?

Hanging out of the window exposed to outdoors.

Inside the window exposed to indoors.

In the power plug of the unit.

Room air conditioners do not have condensers.

9. Question

What is the most common location to install a packaged central heat pump?

On a rooftop.

In a basement.

In an attic.

In a hallway.

10. Question

What are the two main components of the indoor unit of a ductless minisplit system?

Indoor coil and fan.

Condenser and condenser fan.

Evaporator and compressor.

Compressor and expansion valve.

11. Question

Which of the following does a ducted mini-split system have that a ductless system doesn’t have?

Forced-air ducts.

Ventilation ducts.

An expansion valve.

A wall-hung indoor fan coil.

12. Question

What are the boundaries of the low-pressure side of a refrigeration system?

The expansion valve and the compressor.

The condenser and the evaporator.

The expansion valve and the discharge of the compressor.

The evaporator and the reversing valve.

13. Question

Which of the following is true about the evaporator?

It is on the low-pressure side of the system.

It rejects heat into its environment.

It is on the high-pressure side of the system.

It is connected to the discharge side of the compressor.

14. Question

What is the main function of a refrigeration coil?

Heat transfer.

Regulating refrigerant flow.

Compressing the refrigerant.

Filtering the refrigerant.

AC & Heat Pump Equipment ID Quiz

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