3rd class Maine Stationary Steam Exam with accurate
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detailed answers ||\\//||
A sample of boiler water can be chemically tested for alkalinity by initially adding a few
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drops of phenolphthalein and then slowly titrating the water sample until the __________. -
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
correct answer✔✔Sample color changes from clear to pink
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High carbon monoxide content in the flue gases of a boiler indicate ________ - correct
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answer✔✔Incomplete combustion ||\\//||
One of the operating conditions sensed by a two-element feed water regulator __________ -
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correct answer✔✔Steam flow or Drum level
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Sediment in fuel oil will cause ________ - correct answer✔✔clogged atomizer tips ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Relief valves in the fuel oil service system discharge to either the service pump or the
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___________ - correct answer✔✔Settling tanks ||\\//|| ||\\//|| ||\\//|| ||\\//||
White smoke coming from the stack indicates - correct answer✔✔Too much excess air
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What casualty is apt to occur immediately after high water casualty? - correct
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answer✔✔Water carry over to the turbine ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What characteristic of fuel oil is the most significant when determining the temperature to
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which the oil must be heated for proper atomization? - correct answer✔✔Viscosity
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, The efficiency of boiler combustion can be measured by the relative proportions of what
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elements in the flue gases? - correct answer✔✔Carbon dioxide, Oxygen, and Carbon ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
monoxide
The overheating of fuel oil in the fuel oil heaters may result in _________ - correct
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answer✔✔Clogged fuel oil filters ||\\//|| ||\\//|| ||\\//||
Excessive carbon dioxide formed by improper chemical treatment in the boiler may cause ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
corrosion in the _________ - correct answer✔✔Condensate lines ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
When warming up a fuel oil service system, you should open the steam supply to the fuel
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oil heaters _____________ - correct answer✔✔After you start the fuel oil service pump
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If the bellows in a thermo-hydraulic feed water control valve ruptures, the boiler water level
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
will __________. - correct answer✔✔Decrease
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In addition to being hazardous to personnel, gas leaks through the boiler can also
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___________ - correct answer✔✔Impair the effectiveness of the purge cycle ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
The viscosity of an oil measures ________ - correct answer✔✔internal friction
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When firing a recovery boiler and a leak was found in a wall tube, you should ___________
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- correct answer✔✔Initiate E.S.P. (Emergency shutdown procedure)
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True or False? One of the steps of an emergency shutdown procedure is to; rapidly drain the
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boiler to 8ft level in the water walls - correct answer✔✔True
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You are firing a recovery boiler and black liquor solids are rapidly falling at 58% what
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should you do? - correct answer✔✔Stop firing all black liquor ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
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detailed answers ||\\//||
A sample of boiler water can be chemically tested for alkalinity by initially adding a few
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
drops of phenolphthalein and then slowly titrating the water sample until the __________. -
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
correct answer✔✔Sample color changes from clear to pink
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High carbon monoxide content in the flue gases of a boiler indicate ________ - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔Incomplete combustion ||\\//||
One of the operating conditions sensed by a two-element feed water regulator __________ -
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
correct answer✔✔Steam flow or Drum level
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Sediment in fuel oil will cause ________ - correct answer✔✔clogged atomizer tips ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Relief valves in the fuel oil service system discharge to either the service pump or the
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___________ - correct answer✔✔Settling tanks ||\\//|| ||\\//|| ||\\//|| ||\\//||
White smoke coming from the stack indicates - correct answer✔✔Too much excess air
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What casualty is apt to occur immediately after high water casualty? - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔Water carry over to the turbine ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What characteristic of fuel oil is the most significant when determining the temperature to
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
which the oil must be heated for proper atomization? - correct answer✔✔Viscosity
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
, The efficiency of boiler combustion can be measured by the relative proportions of what
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
elements in the flue gases? - correct answer✔✔Carbon dioxide, Oxygen, and Carbon ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
monoxide
The overheating of fuel oil in the fuel oil heaters may result in _________ - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
answer✔✔Clogged fuel oil filters ||\\//|| ||\\//|| ||\\//||
Excessive carbon dioxide formed by improper chemical treatment in the boiler may cause ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
corrosion in the _________ - correct answer✔✔Condensate lines ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
When warming up a fuel oil service system, you should open the steam supply to the fuel
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
oil heaters _____________ - correct answer✔✔After you start the fuel oil service pump
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
If the bellows in a thermo-hydraulic feed water control valve ruptures, the boiler water level
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
will __________. - correct answer✔✔Decrease
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
In addition to being hazardous to personnel, gas leaks through the boiler can also
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
___________ - correct answer✔✔Impair the effectiveness of the purge cycle ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
The viscosity of an oil measures ________ - correct answer✔✔internal friction
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
When firing a recovery boiler and a leak was found in a wall tube, you should ___________
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
- correct answer✔✔Initiate E.S.P. (Emergency shutdown procedure)
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
True or False? One of the steps of an emergency shutdown procedure is to; rapidly drain the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
boiler to 8ft level in the water walls - correct answer✔✔True
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
You are firing a recovery boiler and black liquor solids are rapidly falling at 58% what
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
should you do? - correct answer✔✔Stop firing all black liquor ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
