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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

Instelling
STEAM ENGINEER
Vak
STEAM ENGINEER

Voorbeeld van de inhoud

Boiler operator stationary steam
engineer exam with verified answers


what is used to keep SO2 down? - correct answer ✔wet and dry scrubbers
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




a wet scrubber that has been maintained properly has the capability of absorbing ______%
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




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
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




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
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




temperature or relative humidity of the ambient air |||||| |||||| |||||| |||||| |||||| |||||| ||||||




when placing an induced draft cooling tower into service, which is the last step performed?
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




- correct answer ✔start the i.d. fans
|||||| |||||| |||||| |||||| |||||| ||||||




when operating an induced draft cooling tower, which of the following statements is FALSE
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




- 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
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




answer ✔copper sulfate |||||| ||||||

, (LP) what is the minimum percentage of oxygen that must be present in a confined space
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




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
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




answer ✔boil the boiler out |||||| |||||| |||||| ||||||




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




to the NOWL |||||| ||||||




when starting a fire in a coal_fired boiler with chain grates or traveling grates, how much
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




coal should be on the grates? - correct answer ✔3-4 inches
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




when should a non-return valve be opened when putting a boiler on line? - correct answer
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




✔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
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




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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Instelling
STEAM ENGINEER
Vak
STEAM ENGINEER

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