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MASSACHUSETTS OIL BURNER EXAM 2024 ACTUAL EXAM AND PRACTICE QUESTIONS EXAM COMPLETE ACCURATE EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS)/ALREADY GRADED A+$17.99
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MASSACHUSETTS OIL BURNER EXAM 2024 ACTUAL EXAM AND PRACTICE QUESTIONS EXAM COMPLETE ACCURATE EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS)/ALREADY GRADED A+
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Course
MASSACHUSETTS OIL BURNER
Institution
MASSACHUSETTS OIL BURNER
MASSACHUSETTS OIL BURNER EXAM 2024 ACTUAL
EXAM AND PRACTICE QUESTIONS EXAM
COMPLETE ACCURATE EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS (100% CORRECT
ANSWERS)/ALREADY GRADED A+
MASSACHUSETTS OIL BURNER EXAM 2024 ACTUAL
EXAM AND PRACTICE QUESTIONS EXAM
COMPLETE ACCURATE EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS (100% CORRECT
ANSWERS)/ALREADY GRADED A+
The cross connection between two supply tanks shall not exceed? - ANSWER660
gallons
When is an automatic draft control not required? - ANSWERWhen the equipment is
designed to control the draft.
Combustion performance testing can indicate: - ANSWERImproper air oil mixture, too
much combustion air, and low pump pressure.
If a second oil-burning appliance is installed in a single chimney, you must insure: -
ANSWERSufficient draft is available for safe operation of all connected equipment.
Delayed ignition can be caused by: - ANSWERWeak ignition transformer
You should replace the oil burner nozzle with: - ANSWERThe manufacturers
recommended nozzle spray pattern and spray angle.
Viscosity problems can be corrected by: - ANSWERDecreasing the nozzle size and
increasing the pump pressure accordingly
The minimum operating pressure of an oil pump is: - ANSWER100 PSI
If a stack relay fails you, must? - ANSWERReplace it with an approved type controller
Aquastats are normally found on what type of heating systems? - ANSWERHydronic
Airstats are found on what type of heating systems? - ANSWERForced warm air
systems
Under sized returns on a warm air system can result in what? - ANSWERShort cycling
of the oil burner
,Incorrect nozzle selection in regards to gallon per hour, can result in what problems in a
steam system? - ANSWERSome radiators not heating quickly enough
Low boiler water temperature in a hydronic hot water system may be caused by? -
ANSWERUndersized oil burner nozzles
Delayed opening oil valves are used to? - ANSWERAllow oil pump to come up to speed
If a steam boiler is to be installed with an automatic feeder it must also have: -
ANSWERA backflow prevention device
How can a damaged heat exchanger be detected on a forced warm air system? -
ANSWERWith a smoke trace candle
If a high limit is installed to prevent high boiler water temperature, what is the function of
the low limit? - ANSWERTo maintain temperature for domestic hot water
On a steam system, a plugged siphon loop can have what affect on the heating
system? - ANSWERInsufficient heat in the living space
On a triple acting aquastat a minimum of 20 degrees is recommend between the high
and low limit, this will prevent? - ANSWERThe boiler going off on high limit before
reaching the minimum circulator temperature
An advantage of flame retention burner is - ANSWERTheir high static pressure enables
boilers and furnaces with tighter more efficient heat exchange passages
The key final adjustment for most oil burners is - ANSWERCombustion air
Dirt or lint buildup in the bevel of the burner fan blades will - ANSWERReduce the
amount of combustion air
To change the air ratio for different firing rates with an adjustable head burner you -
ANSWERAdjust the position of the drawer assembly in the Air tube
All petroleum products are chemical compounds of - ANSWERHydrogen and carbon
1 gallon of #2 oil contains approximately how many BTU's? - ANSWER140,000 BTU's
Flashpoint of a fuel is an indication of - ANSWERThe lowest temperature at which the
fuel will flash but not continue to burn
The pour point of #2 oil - ANSWERCan be lowered by blending with kerosene, can be
lowered with fuel additives, and is the lowest temperature at which it will flow
Maximum fuel allowed without a license - ANSWER10,000 gallons
, Is heating oil gets colder its viscosity (thickness): - ANSWERIncreases
Sulfuric acid in combustion gases can: - ANSWERDamon's the flue lines, it holds in the
flue pipe, and create a scale buildup in the heat exchanger
The home for bacterial growth and sludge in the bottom of the oil tank is -
ANSWERWater
To ensure clean, uncontaminated fuel reaches the oil burner you must - ANSWERInstall
tanks properly, regularly inspect and fix minor defects before they lead to major
problems, and install a quality oil filter
Water in oil tanks come from - ANSWERCondensation, loose or missing fill and vent
caps, and failing to drain water from a tank before installation
When installing an oil tank be sure: - ANSWERThe fill and vent lines are pitched
towards the tank, to install a vent alarm and a tank gauge, and to install an oil filter
Oil lines buried in concrete should be - ANSWERSleeved in plastic or PVC pipe with no
fittings below the floor
Fuel units (oil pumps) preform the following functions - ANSWERMove oil from the tank
to the burner and deliver oil at a constant regulated pressure to the nozzle
The best way to clear a clogged oil line is to - ANSWERUse a hand pump to pull the
blockage out
If the oil level in the tank is 4 feet below the fuel unit in 10 feet away, the approximate
vacuum should be - ANSWER5 - 6 inches
If the operating vacuum reading a significantly above the calculated vacuum, you
probably have a - ANSWERClogged oil filter
If the operating vacuum reading is significantly less than the calculated vacuum, you
probably have a - ANSWERSuction line leak
It is best to connect your unit as a one pipe system instead of a 2 pipe system because
- ANSWEROne pipe leads to longer filter life and eliminates worries about leaking return
lines
A fuel de-aerator: - ANSWEREliminates the need for a return line back to the tank
A cause of pulsating oil pump pressure and a pulsating fire is - ANSWERAir leaks in the
suction line
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