3rd class stationary steam engineer license prep |250 questions| with correct answers

_________ are necessary for complete combustion CORRECT ANSWER time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ CORRECT ANSWER 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi CORRECT ANSWER 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator CORRECT ANSWER steam turbine a boiler is producing 40,000lb of steam/hr at a pressure of 100 PSI and a steam temperature of 500 degrees Fahrenheit. The steam produced is _______ steam CORRECT ANSWER superheated the economizer on a boiler is used to _______ CORRECT ANSWER add heat to the feed water blowers are normally used with________ boilers CORRECT ANSWER water tube overheating of tubes on a boiler can be caused by________ CORRECT ANSWER scale on tubes carbon dioxide in a condensate return system causes_________ CORRECT ANSWER channeling a ________ pump is a positive displacement pump CORRECT ANSWER reciprocating a boiler generating 6000 lb of steam/hr produces _______btu/hr CORRECT ANSWER 6,000,000