HVAC Pretest

Dew Point is the

• temperature air cools down to reach condensation (or turn into a liquid)

• temperature where ice melts to liquid water

• temperature where ice turns directly into water vapor

• time of day when dew on the ground disappears

Tags

NGSS.MS-ESS2-4

What does HVAC stand for in the context of building systems?

• Heating, Ventilation, and Air Conditioning

• Heat, Vacuum, and Air Circulation

• High Voltage and Current

• Hydraulic, Ventilation, and Air Control

Tags

NGSS.MS-PS3-3

Which component of an HVAC system is responsible for removing heat from the air?

• Compressor

• Evaporator

• Condenser

• Thermostat

Tags

NGSS.MS-PS1-4

In an HVAC system, what is the primary function of the condenser?

• To absorb heat from the environment

• To release heat to the environment

• To circulate air within a space

• To filter air pollutants

Tags

NGSS.MS-PS1-4

What is the role of a thermostat in an HVAC system?

• To regulate the temperature by controlling the HVAC system

• To increase the humidity in a room

• To filter dust and allergens

• To provide ventilation

Tags

NGSS.MS-PS3-3

Which gas is commonly used as a refrigerant in HVAC systems?

• Ammonia

• Carbon Dioxide

• Freon

• Oxygen

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is the principle behind the operation of an air conditioner?

• Conduction

• Convection

• Radiation

• Refrigeration cycle

Tags

NGSS.MS-PS3-3

Which of the following is a common unit of measurement for air conditioning capacity?

• Watts

• BTU (British Thermal Unit)

• Joules

• Calories

What is the purpose of an air filter in an HVAC system?

• To cool the air

• To heat the air

• To remove particles and contaminants from the air

• To increase air pressure

How does a heat pump differ from a traditional air conditioner?

• It can only cool spaces

• It can only heat spaces

• It can both heat and cool spaces

• It uses water instead of refrigerant

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4