LA Steam Engineer| 91 QUESTIONS| WITH COMPLETE SOLUTIONS

LA Steam Engineer| 91 QUESTIONS| WITH COMPLETE SOLUTIONS #6 fuel oil is also know as what? - ANSWER-Bunker C .A condenser functions to convert: - ANSWER-Steam into liquid .A desuperheater that is installed in a boiler is used to control.. - ANSWER-Super heated steam temperature .A flame safety controller A. Scans for ignition and main flame during light off. B. Insures a purge of the fire box before ignition C. Shuts down the boiler if the glame goes out D. All of the above - ANSWER-D. All of the above .A high pressure boiler is, A. Greater than 600psig B. Over 3500psig C. Over 5psig D. Equal to or greater than 15psig - ANSWER-D. Equal to or greater than 15psig .A Mercury Barometer measures what? - ANSWER-Atmospheric pressure .A natural gas leak will concentrate near, where? - ANSWER-Ceiling, (Nat gas is light so it rises up whereas propane is heavier than air and will settle down to the floor.) .A pulsating effect in the furnace of an oil fired boiler could be caused by? - ANSWER-Insufficient combustion air supply .A ringelmann chart is used to determine? - ANSWER-Smoke density .A spear boiler feed water pump is equipped with a check valve in the discharge line to... - ANSWER-Permit fast start up by leaving the discharge valve open .A steam trap utilizes flash steam to open but what comes after for the closing operation? - ANSWER-Impulse .A two element feed water system measures what? - ANSWER-Drum level and steam flow .Air from a boiler fan may be controlled by? - ANSWER-Outlet vanes, inlet vanes and damper .An important consideration in the prevention of carryover in a boiler is to? - ANSWER-Control water level .An unfired pressure vessel which is used to transfer heat from one substance to another is called.. - ANSWER-Feed water heater, Evaporator and Oil Cooler .As alkalinity of boiler water increases the water inside the boiler becomes increasingly _________? - ANSWER-Soft