Author Question: The purpose of a fire damper is to: A) Prevent the spread of smoke and fire throughout the ... (Read 103 times)

lb_gilbert · **on:** Jul 24, 2018

The purpose of a fire damper is to:

A) Prevent the spread of smoke and fire throughout the building.
B) Regulate the draft in a fuel burning appliance.
C) Provide a path for the smoke to exit the building in the event of a fire.
D) Regulate the amount of combustion air to a fuel-burning appliance.

Question 2

When troubleshooting single-phase compressor motors, it is important that the technician:

A) Check for phase reversal between L1 and L2.
B) Measure the phase displacement between the two power legs.
C) Check the frequency of the power source.
D) Check the start relay, start capacitor, and run capacitor.