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Oil burner License Study Guide ( Massachusetts ) Latest Questions With All Correct Answers!!
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Oil burner License Study Guide ( Massachusetts ) Latest Questions With All Correct Answers!!
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Name: Score:107 Multiple choice questions
Term 1 of 107
What is the temperature ration on a thermal safety switch on an oil burner circuit
165 degrees F
400 degrees F
45 degrees F
500 degrees F
Term 2 of 107
When must a low water cut off be used?
Only in hot water boilers over 400,000 btu's
All steam boilers and hot water boilers over 400,000 btu's
Only in steam boilers under 400,000 btu's
In all electric boilers
Term 3 of 107
What is the proper draft setting for an oil burner?
.8 Inches Wc
.0 Inches Wc
.02 Inches WC
165 Degrees F
,Term 4 of 107
After installing a new steam boiler there is oil mixed with water what do you do?
You add more oil to the water in the boiler
You drain all the water from the boiler
You mix the oil and water further in the boiler
You skim the water in the boiler
Term 5 of 107
What is the voltage found on the TT Terminals ?
18v
24v
12v
23v
Term 6 of 107
Would an increase in excess air raise or lower the stack temp?
Osv
Protect Circuit.
Stop
Raise
,Term 7 of 107
What is the purpose of a low limit control on a steam or hot water boiler?
Maintain boiler temperature for domestic
Power the motor
Temperature
Away from the tankless coil
Term 8 of 107
If you increased the air on a burner what would happen to stack temperature?
Disconnect T 3
It would go up
Expansion tank
Yes if Approved
Term 9 of 107
Draft measurements are taken in what?
Inches of water column
Temperature
A light sensitive resistor
Power the motor
, Term 10 of 107
What is a Cad Cell ?
Power the motor
Any burner other than a gravity feed or a pressure feed
A visual flame Detector
A light sensitive Resistor
Term 11 of 107
What is a scavenger period?
A visual Flame Detector
One path for electrons to flow
Pre + Post Purge
18 guage
Term 12 of 107
A hot water system where the t stat controls only the circulator and has no direct connection to
the burner is an integrated system
True
False
Term 13 of 107
What are two methods used by domestic oil burners to prepare oil for combustion.
Tanks must be level
Atomize & Vaporize
Line & Low.
Osv
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