ACR204-Unit 38 Review Questions (CRF) - Mr. Graham

The three crafts normally associated with an air-conditioning installation are:

• Electrical, sheet metal, and programming

• Plumbing, programming, and electrical

• Sheet metal, plumbing, and carpentry

• Sheet metal, electrical, and mechanical

When insulation on the inside of the duct comes loose it causes

• the system to shut off.

• high head pressure.

• increased airflow.

• reduced airflow.

The flexible duct system is the most economical.

• True

• False

Most duct insulation is made of_______.

• PVC

• rubber

• foam

• fiberglass

Insulation on duct does not prevent duct from sweating.

• True

• False

The two different duct configurations for package units are under and over and side by side.

• True

• False

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

• True

• False