HVAC HVAC Tools and Equipment

Question 1

Which tool is used to measure the refrigerant pressure on both the high and low sides of an HVAC system simultaneously?

Accepted Answer

Manifold gauge set

Answer

Digital multimeter

Answer

Anemometer

Answer

Manometer

Question 2

What instrument is used to measure airflow velocity in HVAC ductwork?

Accepted Answer

Anemometer

Answer

Manometer

Answer

Psychrometer

Answer

Hygrometer

Question 3

A micron gauge (vacuum gauge) is primarily used during which HVAC service procedure?

Accepted Answer

Evacuating the system to remove moisture and non-condensables

Answer

Charging the system with refrigerant

Answer

Measuring superheat

Answer

Testing electrical continuity

Question 4

Which tool is used to flare the end of copper refrigerant tubing to create a leak-free mechanical connection?

Accepted Answer

Flaring tool

Answer

Swaging tool

Answer

Tubing cutter

Answer

Pipe bender

Question 5

What is the primary purpose of a refrigerant recovery machine?

Accepted Answer

To remove and store refrigerant from a system before service

Answer

To charge a system with new refrigerant

Answer

To mix refrigerant blends

Answer

To test refrigerant purity

Question 6

Which instrument measures the wet-bulb and dry-bulb temperatures used to determine relative humidity and enthalpy?

Accepted Answer

Sling psychrometer

Answer

Thermistor probe

Answer

Digital manometer

Answer

Clamp meter