Furnace & Piping Quiz

what are the two types of blower motors used with forced air furnaces?

• gear drive and direct drive blower

• belt drive and direct drive blower

what furnace component will receive gas from the gas valve and distribute it evenly to the burners?

• gas line

• capillary tube

• manifold

Joint compound in gas piping is applied sparingly to the ______ threads only

• Female

• Male

• None Needed

Natural gas is a good fuel for use in the home. Today more than half the homes in the U.S. are ____________ by natural gas.

• electricity

• heated

• fuel

• brighter

Natural gas is a renewable resource.

• True
• False

Black steel pipe is primarily used in ____ lines.

• gas

• water

• refrigerant

• suction

Most tubing cutters have a ____, which can be used to remove burrs from cut tubing.

• hacksaw

• yoke

• reamer

• miter box

Lever-type benders with calibrated markings allow technicians to make accurate left-hand and right-hand bends.

• True

• False

Heat exchangers should be checked for cracks before each cold weather season begins.

• True

• False

In direct-drive blowers, the ____ of the blower motor is connected to the blower fan blade.

• pulley

• shaft

• braking system

• V-belt