3rd Class Stationary Steam Engineer License Prep Exam Questions With Answers

3rd Class Stationary Steam Engineer License Prep Exam Questions With Answers _________ are necessary for complete combustion - ANS time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ - ANS 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 - ANS 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator - ANS 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 - ANS superheated the economizer on a boiler is used to _______ - ANS add heat to the feed water blowers are normally used with________ boilers - ANS water tube overheating of tubes on a boiler can be caused by________ - ANS scale on tubes carbon dioxide in a condensate return system causes_________ - ANS channeling a ________ pump is a positive displacement pump - ANS reciprocating a boiler generating 6000 lb of steam/hr produces _______btu/hr - ANS 6,000,000 a bottom blowdown is performed on a boiler to _____ - ANS discharge sludge and sediment water columns are connected to the boiler with a minimum of _______" pipe - ANS 1 the minimum size of a water column blowdown valve is_______". - ANS 3/4 the maximum size bottom blowdown valve on a boiler is_________". - ANS 2 1/2 a ________ allows condensate to pass through, but stops Steam. - ANS a steam trap