P 99 TEST 2026 ACTUAL QUESTIONS
WITH VERIFIED ANSWERS.
1. If atomized Oil was introduced into the combustion chamber
but not ignited the combustion chamber chimney and flu may
become filled with oil vapors - correct answer-True
2. If oil vapors are present in the combustion chamber and
were ignited what may occur - correct answer-A puff back
would occur
3. What is pro white but taste like in smells like oil - correct
answer-Vaporized oil
4. When vaporize oil is present what action should be taken -
correct answer-All of the above
5. The tank shut off valve shut off the valve flowing to the
strainer - correct answer-False
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6. Hi vacuum reading indicates an obstruction in the suction
line - correct answer-True
7. The oil preheater reduces the temperature of the oil for
easier pumping and atomization - correct answer-False
8. The main fuel valve is an electrical operated valve that were
open or closed to start or stop the flow of oil to the Rotary
club for nozzle - correct answer-True
9. The rotary cup or nozzle are components on a burn are
designed to atomized the fuel oil - correct answer-True
10. The vapors that is located on the - correct answer-Fan
housing
11. If no air for the combustion exist what will shut down the
burner - correct answer-Vaporstat
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12. What ignites the mixture of fuel and air - correct answer-
Gas pilot or electric ignition
13. The flame scanner or photo electric cell functions to -
correct answer-All of the above
14. The aquastat on a boiler is used during summer operation
for the purpose of - correct answer-Operating the burner for
domestic hot water needs
15. The low-water cut off is - correct answer-All of the above
16. The device that indicates the water level in the boiler is
called - correct answer-Gays glass
17. The stack switch is also called a - correct answer-All of the
above
18. The stack switch will shut down the burner if it is not sense
- correct answer-Heat