Massachusetts oil burner study guide
with complete solutions 2024-2025
6 oil burners have been installed in a large room which is of tight construction and which
must be kept closed at all times there is decidedly not enough combustion air for proper
burner operation there burner sizes are 1.35 gallons per hour under these conditions
what is the minimum free area of an opening connecting to the outdoors which must be
provided - ANSWER-567 inch by 2 inch vent going to outside
A combustion efficiency test includes measurements of - ANSWER-Stack temperature
smoke test and excess of air
A fuel deaerator - ANSWER-eliminates the need for a return line back to the tank
a layer of Ash 1/16 inch thick will increase fuel consumption by - ANSWER-4%
A single stationary conductor in the flux of a permanent magnet will - ANSWER-induce
a current flow.
A steam pigtail should always be installed between the pressuretrol and the boiler too -
ANSWER-To Place a water seal between the boiler and the pressure troll.
About 21% of air is made of - ANSWER-Oxygen
According to code when is a low water cut off required on a steam boiler - ANSWER-
Steam boilers and hot water boilers above 400000 BTUs
According to code when is a low water cut off required on a water boiler - ANSWER-
Always
Advantage of PSC Motors over conventional split phase Motors is they - ANSWER-Are
protected by an overload switch
All petroleum products are chemical compounds of - ANSWER-Hydrogen and carbon
An advantage of flame retention burner is - ANSWER-The high static pressure enables
boilers and furnaces with tighter more efficient heat exchanger passages
Are compression fittings allowed on oil lines - ANSWER-No
Before using an electronic analyzer you must - ANSWER-Performers smoke test to be
sure you're bringing at 0 to trace of smoke
, blank is a good insulator at 120 volts but a good conductor at 10000 volts - ANSWER-
Air
Can a series 10 .3 wire thermostat be used with a 2-wire control? explain. - ANSWER-
Yes by jumping out the ground
Can a series 80 dryer thermostat be wired into a 3-wire control - ANSWER-No
Can an overflow pipe from the auxiliary tank have a valve or obstruction - ANSWER-No
Can stack switches be used as a primary control - ANSWER-Yes
Can Teflon tape be used on oil line connections - ANSWER-No
Can two supply tanks be provided with only one fill pipe and vent pipe - ANSWER-Yes
Compared to wet kits digital electronic conversion kits instruments are - ANSWER-Are
faster and can create a printed record
Dirt & Lint built up in the bevel of the burner fan blades will - ANSWER-Reduce the
amount of combustion air
Electrical current the amount of electricity flowing in a circuit is measured in - ANSWER-
Amps
Energizing the ignition circuit during the entire burn cycle - ANSWER-Significantly
reduces ignition component life
Excessive draft drop through the heat exchanger indicates - ANSWER-Heavy set and
scale deposits in the heat exchanger
Explain how a burner should be piped when the supply tank is located below the burner
- ANSWER-2. Pipe dual stage with a bypass plug
Explain interrupted ignition - ANSWER-the ignition Transformer drops out of the circuit
once a flame is established
Explain two different types of differentials used by thermostat - ANSWER-In heating
anticipates heat leftover.in cold turns on compressor early
How are primary controls wired - ANSWER-L Black L2 white Terminal 3 goes to the
burner motor Terminal 4 goes to interrupted ignition all must be flexible
How high on the wall should thermostat be installed - ANSWER-5 feet from the ground
how is a cad cell primary control relay put in step - ANSWER-The reset button
with complete solutions 2024-2025
6 oil burners have been installed in a large room which is of tight construction and which
must be kept closed at all times there is decidedly not enough combustion air for proper
burner operation there burner sizes are 1.35 gallons per hour under these conditions
what is the minimum free area of an opening connecting to the outdoors which must be
provided - ANSWER-567 inch by 2 inch vent going to outside
A combustion efficiency test includes measurements of - ANSWER-Stack temperature
smoke test and excess of air
A fuel deaerator - ANSWER-eliminates the need for a return line back to the tank
a layer of Ash 1/16 inch thick will increase fuel consumption by - ANSWER-4%
A single stationary conductor in the flux of a permanent magnet will - ANSWER-induce
a current flow.
A steam pigtail should always be installed between the pressuretrol and the boiler too -
ANSWER-To Place a water seal between the boiler and the pressure troll.
About 21% of air is made of - ANSWER-Oxygen
According to code when is a low water cut off required on a steam boiler - ANSWER-
Steam boilers and hot water boilers above 400000 BTUs
According to code when is a low water cut off required on a water boiler - ANSWER-
Always
Advantage of PSC Motors over conventional split phase Motors is they - ANSWER-Are
protected by an overload switch
All petroleum products are chemical compounds of - ANSWER-Hydrogen and carbon
An advantage of flame retention burner is - ANSWER-The high static pressure enables
boilers and furnaces with tighter more efficient heat exchanger passages
Are compression fittings allowed on oil lines - ANSWER-No
Before using an electronic analyzer you must - ANSWER-Performers smoke test to be
sure you're bringing at 0 to trace of smoke
, blank is a good insulator at 120 volts but a good conductor at 10000 volts - ANSWER-
Air
Can a series 10 .3 wire thermostat be used with a 2-wire control? explain. - ANSWER-
Yes by jumping out the ground
Can a series 80 dryer thermostat be wired into a 3-wire control - ANSWER-No
Can an overflow pipe from the auxiliary tank have a valve or obstruction - ANSWER-No
Can stack switches be used as a primary control - ANSWER-Yes
Can Teflon tape be used on oil line connections - ANSWER-No
Can two supply tanks be provided with only one fill pipe and vent pipe - ANSWER-Yes
Compared to wet kits digital electronic conversion kits instruments are - ANSWER-Are
faster and can create a printed record
Dirt & Lint built up in the bevel of the burner fan blades will - ANSWER-Reduce the
amount of combustion air
Electrical current the amount of electricity flowing in a circuit is measured in - ANSWER-
Amps
Energizing the ignition circuit during the entire burn cycle - ANSWER-Significantly
reduces ignition component life
Excessive draft drop through the heat exchanger indicates - ANSWER-Heavy set and
scale deposits in the heat exchanger
Explain how a burner should be piped when the supply tank is located below the burner
- ANSWER-2. Pipe dual stage with a bypass plug
Explain interrupted ignition - ANSWER-the ignition Transformer drops out of the circuit
once a flame is established
Explain two different types of differentials used by thermostat - ANSWER-In heating
anticipates heat leftover.in cold turns on compressor early
How are primary controls wired - ANSWER-L Black L2 white Terminal 3 goes to the
burner motor Terminal 4 goes to interrupted ignition all must be flexible
How high on the wall should thermostat be installed - ANSWER-5 feet from the ground
how is a cad cell primary control relay put in step - ANSWER-The reset button
