Unit 14

In which type of climate is an evaporative cooling system most effective?

Dry climate where relative humidity is below 20%

T or F A unit cooling system is the most difficult type of cooling system to install

False

T or F An air-conditioning system changes the temperature of the air, but does nothing to clean the air

False

T or F In a forced-air system, heat is always provided by burning natural gas

False

T or F To improve comfort during warm weather, moisture should be added to the air

False

Which of the following is not a heating system?

Remote system

T or F a forced air - heating system, transports air through ducts

True

In an evaporative cooling system, the air is cooled by ______-

a water spray mist over fiber pads

HVAC plans are typically shown on the ______ plans

floor