Oil Burners license test
A cad cell primary control can lock out safety because - correct answer-All of the above-
dirty, faulty, not sensing flame
A Call for too much heat on a hot water heating job may be caused by - correct
answer-Thermostat wire is shorted out
A common cause of delayed ignition is a delayed oil solenoid valve - correct answer-True
A decrease in CO2 with an increase in excess air will give a drop in stack temperature -
correct answer-True
A high limit device installed on a forced air furnace is controlled by - correct
answer-Temperature
A non-resident steam or hot water boiler having a minimum safety relief valve capacity over
200,000 BTU/hr requires certificate of inspection from the department of fire services -
correct answer-Prior to the initial firing, every 3 years after
A storage tank that has greater than —— gallon capacity, other than an outside above
ground tank shall be filled only through a fill pipe which terminates outside the building -
correct answer-60
Adequate breaching draft will always reduce the risk of CO in a structure - correct
answer-True
All persons assisting and working under the supervision of a person holding a certificate as
an oil burner technician must hold current apprentice certificates issued by Department of
fire services - correct answer-True
All primary control safety shutdowns are caused by no combustion - correct answer-False
Corrosion in the flu pipe may occur if - correct answer-Flue gas temperature is below the
dewpoint and sulfur oxide's combine with water
Delayed ignition may be caused by - correct answer-Unvented pressure regulator
Dirt or lint build up in the bevel of the burner blades will - correct answer-Reduce the amount
of combustion air
Doing a combustion pretest on and oil burning appliance will not tell you anything this is why
they generally are performed - correct answer-False
, Energizing the ignition circuit during the entire burn cycle reduces - correct answer-Ignition
component life
Flue pipes must terminate outside of the building at a point at least —— feet away from any
building opening at the same or lower level - correct answer-4
From whom must you obtain a permit for removal of a fuel oil storage tank - correct
answer-The head of the local fire department
Fuel can be transferred from a tank to an appliance by pressurizing the tank - correct
answer-False
Fuel return piping from an appliance shall - correct answer-Enter the top of the tank
High viscosity problems brought on by cold oil may be minimized by - correct answer-All of
the above
How many BTUs are in one gallon of No.2 fuel oil - correct answer-140,000 BTUs
If a cad cell is sensing light when there is a call for heat the primary control - correct
answer-Will lockout on safety
If a high limit is installed to prevent high boiler water temperature what is the function of the
low limit - correct answer-To maintain temperature for domestic hot water
If a newly installed oil line cannot be fully visually inspected you must - correct answer-Install
an oil safety valve
If a split phase burner motor does not operate after the primary control has been reset and
the voltage to the motor is correct you should check the - correct answer-Capacitor
If a stack type controller fails you must - correct answer-Replace it with an approved type
controller
Increasing the fuel pump pressure will - correct answer-Increase the flow rate
Installation of oil safety valves and oil pressure reducing valve - correct answer-Reduces the
chance of a return line leak
It is best to connect flue units as a one pipe system instead of a two pipe system because -
correct answer-One pipe leads to longer filter life and eliminates leaking return lines
It is common for the oil burner and blower to come on at the same time on a warm air
system - correct answer-False
Materials who's electrons are so loosely bound that they can be persuaded to move with
very little pressure allowing electricity to flow are called - correct answer-Conductors
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