Author Question: How is a gas meter used to check gas furnace input? A) The gas level is checked before and after ... (Read 52 times)

BRWH · **on:** Jul 24, 2018

How is a gas meter used to check gas furnace input?

A) The gas level is checked before and after firing the furnace, and the firing rate is calculated based on the heating value of the gas and the amount of gas used.
B) The number of times the gas dial rotates in a minute and the gas heating capacity are used to calculate the firing rate.
C) The firing rate indicator on the gas meter calculates the firing rate based on gas consumption.
D) The meter is zeroed, the furnace is operated, and the meter is sent to the furnace manufacturer for analysis.

Question 2

In the event of a fire, fire dampers prevent oxygen from feeding the fire by:

A) Spraying suppressant foam.
B) Limiting the amount of outside air to 10 percent.
C) Closing off the outside air supply completely.
D) Removing all oxygen from the space.