3rd Class Stationary Steam Engineer License Prep Exam 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 a bottom blowdown is performed on a boiler to _____ Correct Answer discharge sludge and sediment water columns are connected to the boiler with a minimum of _______" pipe Correct Answer 1 the minimum size of a water column blowdown valve is_______". Correct Answer 3/4