P98 EXAM, MOST TESTED 2026 EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
Suction pump - ANSWER-circulates the oil throughout the system
Suction line - ANSWER-has to be 6 inches from the bottom of the tank for sediment not to
be absorbed
Vacuum gauge - ANSWER-a device that measures pressure below atmospheric
pressure/is used to indicate to the operator whether there is an
obstruction in the suction line
Excessive vacuum readings - ANSWER-indicate that there is an obstruction in the
suction line
Main fuel valve - ANSWER-is electrically operated and will open or close the line leading
to the atomizer only for oil burners
Carbon and hydrogen - ANSWER-are the two principal elements of fuel oil
During the combustion process, the carbon content of fuel oil is - ANSWER-85%
The hydrogen content of the oil is - ANSWER-14%
The air that contacts the oil prior to its leaving the nozzle is referred to as - ANSWER-
Primary air
, the introduction of air from the blower or fan into the combustion chamber after the oil
has left the nozzle is referred to as - ANSWER-secondary air
Oil burners require approximately - ANSWER-2000 cubic feet of air per gallon of oil
consumed
During the process of combustion, one part of carbon unites with two parts of oxygen to
produce - ANSWER-carbon dioxide (CO2)
Each time 1 pound of carbon is burned - ANSWER-14,544 BTU of heat are liberated
A correctly adjusted oil burner flame will have an - ANSWER-orange colored flame body
with small red tips
A red, smoky flame is an indication of a - ANSWER-lack of air
A white, almost dazzling flame is an indication of a great amount of - ANSWER-excess air
An insufficient air supply is one cause of - ANSWER-dense, black smoke and soot
Insulated firebrick is lightweight firebrick that becomes - ANSWER-cherry red 15 seconds
after the burner starts
Diesel generators should be tested at - ANSWER-minimum monthly
Small portable diesel generators rang from - ANSWER-1K VA - 10K VA
Large office complexes, factories, and power stations generators rang from - ANSWER-
8K VA - 2000K VA
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
Suction pump - ANSWER-circulates the oil throughout the system
Suction line - ANSWER-has to be 6 inches from the bottom of the tank for sediment not to
be absorbed
Vacuum gauge - ANSWER-a device that measures pressure below atmospheric
pressure/is used to indicate to the operator whether there is an
obstruction in the suction line
Excessive vacuum readings - ANSWER-indicate that there is an obstruction in the
suction line
Main fuel valve - ANSWER-is electrically operated and will open or close the line leading
to the atomizer only for oil burners
Carbon and hydrogen - ANSWER-are the two principal elements of fuel oil
During the combustion process, the carbon content of fuel oil is - ANSWER-85%
The hydrogen content of the oil is - ANSWER-14%
The air that contacts the oil prior to its leaving the nozzle is referred to as - ANSWER-
Primary air
, the introduction of air from the blower or fan into the combustion chamber after the oil
has left the nozzle is referred to as - ANSWER-secondary air
Oil burners require approximately - ANSWER-2000 cubic feet of air per gallon of oil
consumed
During the process of combustion, one part of carbon unites with two parts of oxygen to
produce - ANSWER-carbon dioxide (CO2)
Each time 1 pound of carbon is burned - ANSWER-14,544 BTU of heat are liberated
A correctly adjusted oil burner flame will have an - ANSWER-orange colored flame body
with small red tips
A red, smoky flame is an indication of a - ANSWER-lack of air
A white, almost dazzling flame is an indication of a great amount of - ANSWER-excess air
An insufficient air supply is one cause of - ANSWER-dense, black smoke and soot
Insulated firebrick is lightweight firebrick that becomes - ANSWER-cherry red 15 seconds
after the burner starts
Diesel generators should be tested at - ANSWER-minimum monthly
Small portable diesel generators rang from - ANSWER-1K VA - 10K VA
Large office complexes, factories, and power stations generators rang from - ANSWER-
8K VA - 2000K VA
