Deck 14: Burning Oil As Fuel

Question 1

Name the six parts of an oil burner nozzle.

Answer 1

orifice, swirl chamber, distributor, retainer, filter, orifice disc

Question 2

To make combustion efficiency tests, a hole must be made ____.

A) in the flue pipe after the draft control
B) in the flue pipe before the draft control
C) over the fire at the observation door
D) under the draft hood

Answer 2

B

Question 3

What would happen if the narrow spray angle nozzle were used in a round combustion chamber?

Answer 3

The spray would hit the rear of the combustion chamber and cause carbon buildup.

Question 4

How can a technician tell the difference between an upflow furnace and a downflow furnace?

Question 5

The heat content of one gallon of No. 2 fuel oil is _________________________.

Question 6

A condensing oil furnace operates at a higher efficiency because part of the heat output is ____.

A) sensible heat
B) latent heat
C) superheat
D) sub-cooling

Question 7

Define atomization.

Question 8

What tests can a technician perform on an oil furnace that will check the combustion efficiency?