Deck 11: Theory of Oil Heat and Combustion

Question 1

______________________________ is the amount of carbon left in a sample of oil after it is vaporized, changed from a liquid to a vapor, by boiling it.

Answer 1

Carbon residue

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

The grade of fuel used in residential and light commercial units is ____.

A) No. 1
B) No. 2
C) No. 4
D) No. 6

Answer 3

B

Question 4

The process of breaking up a liquid into fine droplets is called ____________________.

Question 5

When any product containing hydrogen and/or carbon reacts with oxygen to release heat energy, the process is called ____________________.

Question 6

For complete combustion and higher efficiency, the oil spray and the air flow off the blast tube both turn counter-clockwise.

Question 7

Define atomization.

Question 8

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

Question 9

Improper combustion can lead to ____.

A) excessive carbon monoxide production
B) smoke condition around furnace
C) wasted oil
D) all of the above