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MASSACHUSETTS OIL BURNER LICENSE EXAM 2024 ACTUAL EXAM 2 VERSIONS (VERSION A AND B) COMPLETE ACCURATE EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS)/ALREADY GRADED A+ $18.29   Add to cart

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MASSACHUSETTS OIL BURNER LICENSE EXAM 2024 ACTUAL EXAM 2 VERSIONS (VERSION A AND B) COMPLETE ACCURATE EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS)/ALREADY GRADED A+

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  • MASSACHUSETTS OIL BURNER LICENSE

MASSACHUSETTS OIL BURNER LICENSE EXAM 2024 ACTUAL EXAM 2 VERSIONS (VERSION A AND B) COMPLETE ACCURATE EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS)/ALREADY GRADED A+

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  • October 9, 2024
  • 61
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • massachusetts oil burner
  • massachusetts o
  • MASSACHUSETTS OIL BURNER LICENSE
  • MASSACHUSETTS OIL BURNER LICENSE
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MASSACHUSETTS OIL BURNER LICENSE EXAM
2024 ACTUAL EXAM 2 VERSIONS (VERSION A
AND B) COMPLETE ACCURATE EXAM
QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT
ANSWERS)/ALREADY GRADED A+




What are the possible causes of soot at or near the
power venter? - ....ANSWER...Incomplete combustion


What is a possible side effect of air in a nozzle line?
- ....ANSWER...Soot


What is the cause if the cad cell is tripped on safety?
- ....ANSWER...Dirty cad cell


Faulty cad cell


No flame present

,The holes that are provided in the flue pipe for
combustion testing must be: - ....ANSWER...Between
the heating unit and the draft regulator


When using a pump type smoke tester, 10 full
strokes are necessary to: - ....ANSWER...Draw the
proper amount of fluegas past the paper


The fluid in a CO2 tester is good for how many tests?
- ....ANSWER...For about 200 tests


In an electric circuit in order for the wattage to
remain the same if the voltage drops, the amperage
must: - ....ANSWER...Increase


When applying current through a conductor that is
wound in a coil the magnetic lines of force created
are used in - ....ANSWER...-Solenoid valve
-Relay
-Electric motor


If in an average 15 amp residential heating circuit,
the fuse occasionally blows, you should: -

,....ANSWER...Use an amp meter to check out the
system


To determine the "electrical potential" available at
any given point in a circuit you should use a: -
....ANSWER...Voltmeter


Burner ignition systems normally operate at what
primary voltage? - ....ANSWER...120 V


Burner ignition transformers operate at what
secondary voltage range? - ....ANSWER...10,000 to
14,000 V


In which type of systems does the ignition
transformer stay on for the full time the burner is
running? - ....ANSWER...Intermittent


A typical ignition transformer is of what type? -
....ANSWER...Step-up


During a normal start-up, when current is applied to
a split phase burner motor with an open centrifugal
switch: - ....ANSWER...-The motor will not start

, -The primary control will time out and trip on safety


The _______ switch opens when the motor has almost
reached full speed - ....ANSWER...Centrifugal


The most popular speed (S) used in American made
burners are: - ....ANSWER...-1725 rpm
-3450 rpm


Because burner fans have beveled blades any dirt or
lint in the blade will: - ....ANSWER...Reduce the
amount of air for combustion


The fan limit control on a warm air unit is used to: -
....ANSWER...-Shut off the burner at a predetermined
temperature
-Start the blower at a predetermined temperature
-Stop the blower at a predetermined temperature


In all residential oil heating systems, the high limit
control must be: - ....ANSWER...Line voltage and
wired in series with the primary control

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