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Boiler operator stationary steam engineer exam with verified answers

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Boiler operator stationary steam engineer exam with verified answers

Institution
STEAM ENGINEER
Course
STEAM ENGINEER









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Institution
STEAM ENGINEER
Course
STEAM ENGINEER

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Uploaded on
April 18, 2025
Number of pages
7
Written in
2024/2025
Type
Exam (elaborations)
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Boiler operator stationary steam
engineer exam with verified answers


what is used to keep SO2 down? - correct answer ✔wet and dry scrubbers
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a wet scrubber that has been maintained properly has the capability of absorbing ______%
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of the SO2 in the flue gas - correct answer ✔90%
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Materials of construction of a flue gas scrubber system must be selected to resist what
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hostile conditions? - correct answer ✔low pH conditions and abrasion
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the efficiency of a spray pond or cooling tower is based on? - correct answer ✔wet bulb
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temperature or relative humidity of the ambient air |||||| |||||| |||||| |||||| |||||| |||||| ||||||




when placing an induced draft cooling tower into service, which is the last step performed?
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- correct answer ✔start the i.d. fans
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when operating an induced draft cooling tower, which of the following statements is FALSE
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- correct answer ✔it is more economical to operate one fan at high speed than two fans at
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




low speed ||||||




what condition could be prevented by keeping the pH of water greater than 7? - correct
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




answer ✔corrosion ||||||




which chemical is often used to control algae accumulation in cooling towers? - correct
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answer ✔copper sulfate |||||| ||||||

, (LP) what is the minimum percentage of oxygen that must be present in a confined space
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before entering? - correct answer ✔19.5% |||||| |||||| |||||| |||||| ||||||




(LP) which of the following should you not tag and lock out when a boiler is shut down for
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




inspection? - correct answer ✔top tri cock or boiler vent |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




what is the first thing that must be done when starting up a brand new boiler? - correct
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answer ✔boil the boiler out |||||| |||||| |||||| ||||||




which of the following is not done during a boiler start up? - correct answer ✔fill the boiler
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to the NOWL |||||| ||||||




when starting a fire in a coal_fired boiler with chain grates or traveling grates, how much
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coal should be on the grates? - correct answer ✔3-4 inches
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when should a non-return valve be opened when putting a boiler on line? - correct answer
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✔when the boiler pressure builds to 10 to 25 pose below the header pressure |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




if a steam oiler is being taken out of service, what step should be taken first? - correct
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answer ✔operate the sootblowers |||||| |||||| ||||||




(LP) when taking a boiler off-line what is the first step? - correct answer ✔secure the fire
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




what is the last step to be performed when shutting down a boiler? - correct answer ✔close
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




the feedwater supply valve
|||||| |||||| |||||| ||||||




when taking a boiler out of service, what is one thing you do not do? - correct answer
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




✔close the vent |||||| ||||||

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