Exam (elaborations)
Oil burner test Questions with correct Answers
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Exam of 6 pages for the course Massachusetts Oil burner at Massachusetts Oil burner (Oil burner test)
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Oil burner testA fuel oil storage tank cannot be installed: - answer In the furnace room 5 feet within heating unit
What temperature does a thermal wheel automatically activate at - answer 165°F
Who inspects an oil burner installation - answer State fire marshal
Any valve used on a oil burner install must be: - answer Fusible valve
What form is used to pull an oil burner permit - answer CMR.4
What size pipe is used to Cross Connect tank outlet piping - answer 1/2 inch
When is an oil safety valve used - answer On an existing installation when a burner boiler furnace or tank is replaced.
When must you install a draft regulator - answer When not exempt by manufacturer
What type of boiler must be equipped with a low water cut off - answer Water boilers over 500,000 BTUs & all steam boilers
All new oil burner controls must be: - answer Interrupted ignition
How far must continuous concrete slab extend beyond the tank perimeter - answer 8
inches
All protective control and emergency devices shall be series connected from the electrical distribution panel: - answer Through the emergency switch, through the terminal switch, to the service switch in the ungrounded line conductor
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. - answer 10 feet
An oil safety valve can perform the following functions: - answer Reduce pressure from its inlet to its outlet & prevent gravity flow
Fuel oil filters should be selected for the following: - answer Micron range & flow rate Ultra low sulfur fuel has no benefit to a fuel oil system - answer False
To ensure the best mechanical seal throughout a fuel oil delivery system the following should be used: - answer Flared fittings and pipe dope
Adding a pre-heater to an oil burner will - answer 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 - answer Once a year
The proper value for a resistor used to verify the F-F terminals of a Honeywell primary control should be - answer 1500 ohms
Oil tanks can be produced as - answer Steel, fiberglass, epoxy coated steel
Black colored residue on a combustion head tells you - answer All the above
A white material in the flue pipe resembling beach sand is an indicator of - answer Unit that is under fired
Flame quality has no effect on the cad cell - answer False
A material that will easily allow electrons to pass is described as - answer Conductor
The safety ground is required by UL to be colored - answer Green
A solenoid valve operates on the following principle - answer Electromagnetism
What type of meter requires a battery - answer Ohmmeter
The purpose of a limit control is - answer Safety
Switching relays for heating systems can be found in the following switching configurations - answer SP-ST, DP-ST, DP-DT. All the above
Fuel oil contains approximately the following percentages of chemicals - answer 79%
nitrogen and 21% oxygen
Mechanical draft is described as - answer Forced draft
As stack temperature goes down the ability of a chimney to produce thermal draft drops - answer True
Oil burners can make CO even when no smoke is present - answer True
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