Oil Burner License Exam With 100% Questions And Correct Answers

Oil Burner License Exam With 100% Questions And Correct Answers
What is the first thing a tech should do when arriving at a no combustion call? - Answer - Ask how many
times the customer reset the unit.
What is the best long term solution for preventing a clogged nozzle? - Answer - -Remove any
underground storage tanks.
-Install a quality oil filter.
-Cut the suction line 10" above the tank outlet to prevent sludge.
Hot water and steam valves are interchangeable. - Answer - False
When in the presence of a flame, a cad cell normally reads.. - Answer - 300-1000 ohms
If a pump is used to bring oil to a level higher than the tank, an oil safety valve is required. - Answer -
True
On a call where a hydronic heat system is putting out too much heat on the stack, the issue may be.. -
Answer - -Too much draft.
-Not enough combustion air in the equipment room.
-Air leakage into chamber.
A high CO2 reading is caused by.. - Answer - Incomplete combustion
An often overlooked cause of a high CO2 reading is.. - Answer - Not enough combustion air in the
equipment room.
When multiple pumps are wired together in a heating system, they should be wired in.. - Answer -
parallel
In a series circuit.. - Answer - Current has one path.
When 2 burners are connected to the same chimney.. - Answer - Sufficient draft must be obtained to
operate both units.
The ignition transformer is located.. - Answer - In the primary control.
When safeties are wired in series one safety will affect the operation of the others. - Answer - True
A stack switch is no longer allowed to be installed or replaced because.. - Answer - It's safety cutout
time is higher than what is now required.

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