Complete Solutions
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 Correct
Answers 567 inch by 2 inch vent going to outside
A combustion efficiency test includes measurements of Correct
Answers Stack temperature smoke test and excess of air
A fuel deaerator Correct Answers eliminates the need for a
return line back to the tank
a layer of Ash 1/16 inch thick will increase fuel consumption by
Correct Answers 4%
A single stationary conductor in the flux of a permanent magnet
will Correct Answers induce a current flow.
A steam pigtail should always be installed between the
pressuretrol and the boiler too Correct Answers To Place a
water seal between the boiler and the pressure troll.
About 21% of air is made of Correct Answers Oxygen
,According to code when is a low water cut off required on a
steam boiler Correct Answers Steam boilers and hot water
boilers above 400000 BTUs
According to code when is a low water cut off required on a
water boiler Correct Answers Always
Advantage of PSC Motors over conventional split phase Motors
is they Correct Answers Are protected by an overload switch
All petroleum products are chemical compounds of Correct
Answers Hydrogen and carbon
An advantage of flame retention burner is Correct Answers The
high static pressure enables boilers and furnaces with tighter
more efficient heat exchanger passages
Are compression fittings allowed on oil lines Correct Answers
No
Before using an electronic analyzer you must Correct Answers
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 Correct Answers Air
Can a series 10 .3 wire thermostat be used with a 2-wire control?
explain. Correct Answers Yes by jumping out the ground
, Can a series 80 dryer thermostat be wired into a 3-wire control
Correct Answers No
Can an overflow pipe from the auxiliary tank have a valve or
obstruction Correct Answers No
Can stack switches be used as a primary control Correct
Answers Yes
Can Teflon tape be used on oil line connections Correct
Answers No
Can two supply tanks be provided with only one fill pipe and
vent pipe Correct Answers Yes
Compared to wet kits digital electronic conversion kits
instruments are Correct Answers Are faster and can create a
printed record
Dirt & Lint built up in the bevel of the burner fan blades will
Correct Answers Reduce the amount of combustion air
Electrical current the amount of electricity flowing in a circuit is
measured in Correct Answers Amps
Energizing the ignition circuit during the entire burn cycle
Correct Answers Significantly reduces ignition component life
Excessive draft drop through the heat exchanger indicates
Correct Answers Heavy set and scale deposits in the heat
exchanger