Special Engineer Boiler Save Boiler Fundamentals Exam Questions With Verified Answers

Special Engineer Boiler Save Boiler Fundamentals Exam Questions With Verified Answers The low water fuel cutoff (LWCO) is a devices fitted to the boiler to shut off the______. - answerfuel supply to the burner when water level in the boiler is low The purpose of the spring in a safety valve is to_____. - answerclose the valve disc against the seat The safety valve test lever must not be used unless______. - answerthe pressure is about 75% of valve popping pressure A siphon tube is necessary to____. - answerkeep steam out a Bourdon tube A test connection between the siphon tube and the boiler pressure gauge is needed to______. - answerallow equipment to be connected when checking the gauge for accuracy Try cocks on a water column are used to______. - answercheck the water level in the boiler A______ blowdown is performed to removed sludge from a boiler. - answerBottom Boiler baffles are used _____. - answerto direct the flue gases through the boiler furnace The float chamber of the low - water fuel cutoff (LWCO) is frequently blow to prevent the______. - answerfloat chamber from collecting sediment The feedwater line must contain ____. - answera check a valve between a stop valve and the rest of feedwater line A bottom blowdown system can be equipped with slow - opening and quick - opening valves with the quick-opening valve located_____. - answerclosest to the boiler and opened first A_____valve should be used if a valve is required in a steam line for throttling action. - answerglove The combustible elements in fuels are______. - answerCarbon and Hydrogen Black smoke can be caused by____. - answerinsufficient combustion air