3rd class stationary steam engineer license prep questions with answers

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




_________ are necessary for complete combustion - CORRECT
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ANSWERS ✔✔time, temperature, mixture, and atomization
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if the steam pressure gauge indicates 200 PSIG, the absolute
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pressure is______ - CORRECT ANSWERS ✔✔214.7
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a boiler is operating at 400 PSI, and the safety valve opens at
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410 PSI and closes at 398 PSI. The blowdown is______psi -
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CORRECT ANSWERS ✔✔12 |\ |\




an oil cooler is commonly used with a(n) ________ when operating
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in conjunction with a turbo-generator - CORRECT ANSWERS
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✔✔steam turbine |\




a boiler is producing 40,000lb of steam/hr at a pressure of 100
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PSI and a steam temperature of 500 degrees Fahrenheit. The
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steam produced is _______ steam - CORRECT ANSWERS
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✔✔superheated


the economizer on a boiler is used to _______ - CORRECT
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ANSWERS ✔✔add heat to the feed water |\ |\ |\ |\ |\ |\

,blowers are normally used with________ boilers - CORRECT
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ANSWERS ✔✔water tube |\ |\




overheating of tubes on a boiler can be caused by________ -
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CORRECT ANSWERS ✔✔scale on tubes|\ |\ |\ |\




carbon dioxide in a condensate return system causes_________ -
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CORRECT ANSWERS ✔✔channeling |\ |\




a ________ pump is a positive displacement pump - CORRECT
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ANSWERS ✔✔reciprocating |\




a boiler generating 6000 lb of steam/hr produces _______btu/hr -
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CORRECT ANSWERS ✔✔6,000,000 |\ |\




a bottom blowdown is performed on a boiler to _____ - CORRECT
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ANSWERS ✔✔discharge sludge and sediment
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water columns are connected to the boiler with a minimum of
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_______" pipe - CORRECT ANSWERS ✔✔1
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the minimum size of a water column blowdown valve is_______". -
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CORRECT ANSWERS ✔✔3/4
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the maximum size bottom blowdown valve on a boiler
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is_________". - CORRECT ANSWERS ✔✔2 1/2 |\ |\ |\ |\ |\

,a ________ allows condensate to pass through, but stops Steam. -
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CORRECT ANSWERS ✔✔a steam trap |\ |\ |\ |\




when taking over a shift, the first thing to do is check the________
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- CORRECT ANSWERS ✔✔water level in each boiler
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according to the asme code, a high-pressure boiler having more
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than 500 square feet of heating surface shall have________ -
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CORRECT ANSWERS ✔✔two or more safety valves |\ |\ |\ |\ |\ |\




the probable cause of an increase in temperature of gases of
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combustion at the boiler Outlet is____ - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\ |\


✔✔dirty heating services |\ |\




boilers in battery equipped with________ must have two main
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steam stop valves and a free-flowing drain between them -
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CORRECT ANSWERS ✔✔manhole openings |\ |\ |\




in order to be sure the gauge glass is indicating an accurate
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water level reading, the stationary engineer should______ -
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CORRECT ANSWERS ✔✔blowdown the gauge glass |\ |\ |\ |\ |\




a continuous blowdown line is located___ - CORRECT ANSWERS
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✔✔in the Steam and water drum well below the nowl
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a temperature reading of 80 degrees Celsius is equal
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to_________°f - CORRECT ANSWERS ✔✔176 |\ |\ |\ |\

, a chimney temperature of 250 degrees Fahrenheit above steam
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temperature indicates_______ - CORRECT ANSWERS ✔✔poor
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efficiency


a manometer is red in________ - CORRECT ANSWERS ✔✔inches of
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water


the boiling point of water will____ with an increase in pressure -
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CORRECT ANSWERS ✔✔be raised
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if a lather is not obtained when performing a soap hardness test,
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the water sample is_______ - CORRECT ANSWERS ✔✔hard
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combustion efficiency can be increased when air is________ -
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CORRECT ANSWERS ✔✔preheated
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______ draft is produced by a fan located between the boiler and
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the chimney - CORRECT ANSWERS ✔✔induced
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the overspeed trip on a steam turbine should be tested ______ -
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CORRECT ANSWERS ✔✔before putting the steam turbine on-line
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a high CO2 reading in the gases of combustion is a sign of____ -
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CORRECT ANSWERS ✔✔High combustion efficiency
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