3rd class stationary steam engineer 250 license prep Questions with 100% Correct Answers | Verified | Latest Update

_________ are necessary for complete combustion - ️️time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ - ️️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 - ️️12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator - ️️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 - ️️superheated the economizer on a boiler is used to _______ - ️️add heat to the feed water blowers are normally used with________ boilers - ️️water tube overheating of tubes on a boiler can be caused by________ - ️️scale on tubes carbon dioxide in a condensate return system causes_________ - ️️channeling a ________ pump is a positive displacement pump - ️️reciprocating