3rd class stationary steam engineer license prep

_________ are necessary for complete combustion - Answer-time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ - 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 - Answer-12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbogenerator - 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 - Answer-superheated the economizer on a boiler is used to _______ - Answer-add heat to the feed water blowers are normally used with________ boilers - Answer-water tube overheating of tubes on a boiler can be caused by________ - Answer-scale on tubes carbon dioxide in a condensate return system causes_________ - Answer-channeling a ________ pump is a positive displacement pump - Answer-reciprocating a boiler generating 6000 lb of steam/hr produces _______btu/hr - Answer-6,000,000 a bottom blowdown is performed on a boiler to _____ - Answer-discharge sludge and sediment water columns are connected to the boiler with a minimum of _______" pipe - Answer-1 the minimum size of a water column blowdown valve is_______". - Answer-3/4 the maximum size bottom blowdown valve on a boiler is_________". - Answer-2 1/2 a ________ allows condensate to pass through, but stops Steam. - Answer-a steam trap when taking over a shift, the first thing to do is check the________ - Answer-water level in each boiler according to the asme code, a high-pressure boiler having more than 500 square feet of heating surface shall have________ - Answer-two or more safety valves