Question 1

Match between columns&#10;                        Premises: insulated with ceramic to prevent electrical ground&#10;insulated with ceramic to prevent electrical ground&#10;insulated with ceramic to prevent electrical ground&#10;insulated with ceramic to prevent electrical ground&#10;insulated with ceramic to prevent electrical ground&#10;insulated with ceramic to prevent electrical ground

Accepted Answer

The Answer of nozzle and ignition transformer and stack switch is...

Question 2

Match between columns&#10;                        Premises: changes its resistance depending on the amount of light it senses&#10;changes its resistance depending on the amount of light it senses&#10;changes its resistance depending on the amount of light it senses&#10;changes its resistance depending on the amount of light it senses&#10;changes its resistance depending on the amount of light it senses&#10;changes its resistance depending on the amount of light it senses

Accepted Answer

The Answer of nozzle and ignition transformer and stack switch is...

Question 3

A condensing oil furnace operates at a higher efficiency because part of the heat output is ____.&#10;A) sensible heat&#10;B) latent heat&#10;C) superheat&#10;D) sub-cooling

Accepted Answer

A condensing oil furnace operates at a higher efficiency because it captures and utilizes the latent heat that is typically lost in non-condensing furnaces. The moisture in the flue gases is condensed, releasing latent heat, which is then used to increase the efficiency of the furnace.

Question 4

Match between columns&#10;                        Premises: creates turbulence in the air-oil mixture to increase efficiency&#10;creates turbulence in the air-oil mixture to increase efficiency&#10;creates turbulence in the air-oil mixture to increase efficiency&#10;creates turbulence in the air-oil mixture to increase efficiency&#10;creates turbulence in the air-oil mixture to increase efficiency&#10;creates turbulence in the air-oil mixture to increase efficiency

Accepted Answer

The Answer of nozzle and ignition transformer and stack switch is...

Question 5

To make combustion efficiency tests, a hole must be made ____.&#10;A) in the flue pipe after the draft control&#10;B) in the flue pipe before the draft control&#10;C) over the fire at the observation door&#10;D) under the draft hood

Accepted Answer

A hole must be made in the flue pipe before the draft control to accurately measure combustion efficiency. This is because the combustion gases are not yet diluted by the draft control and provide a more accurate sample for testing. Making a hole in any other location will not provide accurate results.

Question 6

Match between columns&#10;                        Premises: devices that will shut burner down in case the burner doesn't fire&#10;devices that will shut burner down in case the burner doesn't fire&#10;devices that will shut burner down in case the burner doesn't fire&#10;devices that will shut burner down in case the burner doesn't fire&#10;devices that will shut burner down in case the burner doesn't fire&#10;devices that will shut burner down in case the burner doesn't fire

Accepted Answer

The Answer of nozzle and ignition transformer and stack switch is...

Question 7

Match between columns&#10;                        Premises: generates approximately 10,000 volts needed for spark&#10;generates approximately 10,000 volts needed for spark&#10;generates approximately 10,000 volts needed for spark&#10;generates approximately 10,000 volts needed for spark&#10;generates approximately 10,000 volts needed for spark&#10;generates approximately 10,000 volts needed for spark

Accepted Answer

The Answer of nozzle and ignition transformer and stack switch is...

Question 8

Match between columns&#10;                        Premises: meters flow of fuel oil into the chamber&#10;meters flow of fuel oil into the chamber&#10;meters flow of fuel oil into the chamber&#10;meters flow of fuel oil into the chamber&#10;meters flow of fuel oil into the chamber&#10;meters flow of fuel oil into the chamber

Accepted Answer

The Answer of nozzle and ignition transformer and stack switch is...

Deck 13: Oil-Burning Equipment