Boiler Operator/ Stationary Steam Engineer Exam Questions With Complete Solutions Latest Update 2024/2025 (GRADED)

Boiler Operator/ Stationary Steam Engineer Exam Questions With Complete Solutions Latest Update 2024/2025 (GRADED) what is used to keep SO2 down? - 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 - Answer 90% Materials of construction of a flue gas scrubber system must be selected to resist what hostile conditions? - Answer low pH conditions and abrasion the efficiency of a spray pond or cooling tower is based on? - 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? - Answer start the i.d. fans when operating an induced draft cooling tower, which of the following statements is FALSE - 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? - Answer corrosion which chemical is often used to control algae accumulation in cooling towers? - Answer copper sulfate (LP) what is the minimum percentage of oxygen that must be present in a confined space before entering? - Answer 19.5% (LP) which of the following should you not tag and lock out when a boiler is shut down for inspection? - Answer top tri cock or boiler vent what is the first thing that must be done when starting up a brand new boiler? - Answer boil the boiler out which of the following is not done during a boiler start up? - 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? - Answer 3-4 inches Boiler Operator/ Stationary Steam Engineer Exam Questions With Complete Solutions Latest Update 2024/2025 (GRADED) when should a non-return valve be opened when putting a boiler on line? - 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? - Answer operate the sootblowers (LP) when taking a boiler off-line what is the first step? - Answer secure the fire what is the last step to be performed when shutting down a boiler? - Answer close the feedwater supply valve