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Boiler Operator Licensing Exam Verified 100% Correct!!
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Boiler Operator Licensing Exam Verified 100% Correct!!
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Name: Score:127 Multiple choice questions
Term 1 of 127
power outage
controls high & low fire
device that removes air & condensate without loss of steam
causes loss of pumps & draft fans
causes overheating & failure of the tubes
Term 2 of 127
stay examples
orifice, rod, impingement, segmental
rod, girder, longitudinal, gusset, bolt, sling
rolled or welded
boiler water carried into steam lines
Term 3 of 127
Wetback boiler
large enough for an employee to enter, not designed for continuous employee access, &
restricted in means for entry & exit
used to support flat surfaces in a boiler, the internal pressure will be contained without
distortion
water cooled turn around chamber directs gases of combustion from the furnace to the
tube bank, firetube
water is carried along the steam lines & hits elbows, valves, or other obstructions
,Term 4 of 127
change in composition of fuel
improves fuel combustion efficiency
causes creation or increase in soot deposits on tubes causing excessively high temperature
on tube walls
enhances fuel storage stability
reduces engine noise levels
Term 5 of 127
Flash point
Lower than the fire point of fuel oil
Controls the amount of fire in the burner
Depends on the operation of a float controlled valve
Must be connected to the highest part of the steam side of the boiler
Definition 6 of 127
a high surface tension on top of the boiler water can lead to
Water Hammer
Foaming
Pitting
Priming
,Definition 7 of 127
found on the suction side of the fuel oil pump
Precoat filters
Coagulation
Wetback boiler
Duplex strainers
Term 8 of 127
Flash when exposed to an open flame
the flash point of fuel oil is the minimum temperature at which the fuel will
can cause burns or injuries, explosion in firebox, damage to internal components,
exceeding regulatory opacity limits
the fire point of fuel oil is the minimum temperature at which the fuel will
when the boiler low water alarm is ringing, the operator should
Term 9 of 127
Furnace explosion
Controls the amount of fire in the burner
Can be caused by an accumulation of vapors
Can become steambound if feedwater temperature is too high
When performing a hydrostatic test on a boiler
, Definition 10 of 127
if water comes out of the top try cock, the operator must
Inside tube surface
Blowdown the boiler
poor control of air
Burn continually
Definition 11 of 127
the water column on a low pressure steam boiler reduces the
Blowdown the boiler
Turbulence in the gauge glass
Inside tube surface
Rotating cup & primary air
Definition 12 of 127
the induced draft fan is located between the boiler & the
Draft
Chimney
Roof Drainage System
Anthracite
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