HVAC/R II Exam

Front

Which unit is commonly used to express electrical resistance?

Back

Ohms

Front

What unit is used to measure the current flow in a circuit?

Back

Amps

Front

How is heat energy transferred by physical contact?

Back

Conduction

Front

What device is used to control air flow in vent pipes?

Back

Damper

Front

How is heat energy transferred through the movement of air?

Back

Convection

Front

How is heat energy transferred from the sun?

Back

Radiation

Front

HVAC means ____________________.

Back

Heating, Ventilating, Air conditioning

Front

It may be defined as the simultaneous control of air temperature, humidity, motion and purity of air in a confined space.

Back

Air conditioning

Front

Cooling the air requires refrigeration, while _________________ the air requires either refrigeration or chemical treatment.

Back

Dehumidifying

Front

Which of the following is the function of air conditioning system? Cleaning of air (Filtration), Heating and humidifying air, Cooling and dehumidifying air, All of the above

Back

All of the above