ACR-102 Final Review (CRF)

Front

When connecting round metal duct sections, a minimum of ____ self-taping sheet metal screws should be used.

Back

3

Front

True or False: The flexible duct system is the most economical.

Back

False

Front

The applied voltage (the voltage that the unit will actually be drawing) should be within ____ % of the rated voltage of the unit.

Back

10

Front

Insulation on duct does not prevent duct from sweating.

Back

False

Front

A disconnect or shutoff switch should be installed within $25$ feet of each unit and within sight of the unit.

Back

25

Front

A package unit comes from the factory with the charge inside.

Back

True

Front

18-4 low-voltage wire is _________.

Back

18-gauge wire with 4 conductors inside

Front

An air conditioner in a climate with average humidity will collect about 3 pints of condensate per hour of operation for each ton of air-conditioning. True or False?

Back

True

Front

A ________ is located in an auxiliary drain pan and is wired in series with the low voltage power supply.

Back

float switch

Front

Line sets come in standard lengths of ________.

Back

25 feet and 50 feet