OIL BURNER TEST QUESTIONS WITH
DETAILED VERIFIED ANSWERS
A fuel oil storage tank cannot be installed: Ans: In the furnace room 5
feet within heating unit
What temperature does a thermal wheel automatically activate at Ans:
165°F
Who inspects an oil burner installation Ans: State fire marshal
Any valve used on a oil burner install must be: Ans: Fusible valve
What form is used to pull an oil burner permit Ans: CMR.4
What size pipe is used to CrossConnect tank outlet piping Ans: 1/2 inch
When is an oil safety valve used Ans: On an existing installation when a
burner boiler furnace or tank is replaced.
When must you install a draft regulator Ans: When not exempt by
manufacturer
What type of boiler must be equipped with a low water cut off Ans:
Water boilers over 500,000 BTUs & all steam boilers
All new oil burner controls must be: Ans: Interrupted ignition
How far must continuous concrete slab extend beyond the tank perimeter
Ans: 8 inches
All protective control and emergency devices shall be series connected
from the electrical distribution panel: Ans: Through the emergency
switch, through the terminal switch, to the service switch in the
ungrounded line conductor
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If the ceiling above the burner boiler or burner furnace exceeds 12 feet in
height, and additional thermal switch shall be installed at a height
of_______ and connected in series with the lower switch. Ans: 10 feet
An oil safety valve can perform the following functions: Ans: Reduce
pressure from its inlet to its outlet & prevent gravity flow
Fuel oil filters should be selected for the following: Ans: Micron range &
flow rate
Ultra low sulfur fuel has no benefit to a fuel oil system Ans: False
To ensure the best mechanical seal throughout a fuel oil delivery system
the following should be used: Ans: Flared fittings and pipe dope
Adding a pre-heater to an oil burner will Ans: Allow oil with a high
paraffin base to flow more easily & decrease the viscosity of a fuel oil
A probe type low-water cut off for steam should be checked Ans: Once a
year
The proper value for a resistor used to verify the F-F terminals of a
Honeywell primary control should be Ans: 1500 ohms
Oil tanks can be produced as Ans: Steel, fiberglass, epoxy coated steel
Black colored residue on a combustion head tells you Ans: All the above
A white material in the flue pipe resembling beach sand is an indicator of
Ans: Unit that is under fired
Flame quality has no effect on the cad cell Ans: False
A material that will easily allow electrons to pass is described as Ans:
Conductor
The safety ground is required by UL to be colored Ans: Green
A solenoid valve operates on the following principle Ans:
Electromagnetism