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3rd class stationary steam engineer license prep questions with complete solutions LATEST 2024.
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3rd class stationary steam engineer license prep questions with complete solutions LATEST 2024.
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13rd class stationary steam engineer license prep questions
with complete solutions LATEST 2024
_________ 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
, 2
when taking over a shift, the first thing to do is check the________ - ANS 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________ - ANS two or more safety valves
the probable cause of an increase in temperature of gases of combustion at the boiler
Outlet is____ - ANS dirty heating services
boilers in battery equipped with________ must have two main steam stop valves and a
free-flowing drain between them - ANS manhole openings
in order to be sure the gauge glass is indicating an accurate water level reading, the
stationary engineer should______ - ANS blowdown the gauge glass
a continuous blowdown line is located___ - ANS in the Steam and water drum well
below the nowl
a temperature reading of 80 degrees Celsius is equal to_________°f - ANS 176
a chimney temperature of 250 degrees Fahrenheit above steam temperature
indicates_______ - ANS poor efficiency
a manometer is red in________ - ANS inches of water
the boiling point of water will____ with an increase in pressure - ANS be raised
if a lather is not obtained when performing a soap hardness test, the water sample
is_______ - ANS hard
combustion efficiency can be increased when air is________ - ANS preheated
______ draft is produced by a fan located between the boiler and the chimney - ANS
induced
the overspeed trip on a steam turbine should be tested ______ - ANS before putting the
steam turbine on-line
a high CO2 reading in the gases of combustion is a sign of____ - ANS High combustion
efficiency
the purpose of chemically treating feedwater is to________ - ANS turn scale-forming
salts to a non adhering sludge
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