1|Page
3rd class stationary steam engineer license Exam
prep (Latest 2024/ 2025 Update) With Questions and
Verified Answers| | 100% Correct | Grade A+ | 100%
pass
_________ are necessary for complete combustion - (answers)time, temperature,
mixture, and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ -
(answers)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 - (answers)12
an oil cooler is commonly used with a(n) ________ when operating in conjunction
with a turbo-generator - (answers)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 -
(answers)superheated
the economizer on a boiler is used to _______ - (answers)add heat to the feed
water
blowers are normally used with________ boilers - (answers)water tube
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overheating of tubes on a boiler can be caused by________ - (answers)scale on
tubes
carbon dioxide in a condensate return system causes_________ -
(answers)channeling
a ________ pump is a positive displacement pump - (answers)reciprocating
a boiler generating 6000 lb of steam/hr produces _______btu/hr -
(answers)6,000,000
a bottom blowdown is performed on a boiler to _____ - (answers)discharge
sludge and sediment
water columns are connected to the boiler with a minimum of _______" pipe -
(answers)1
the minimum size of a water column blowdown valve is_______". - (answers)3/4
the maximum size bottom blowdown valve on a boiler is_________". - (answers)2
1/2
a ________ allows condensate to pass through, but stops Steam. - (answers)a
steam trap
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when taking over a shift, the first thing to do is check the________ -
(answers)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________ - (answers)two or more safety valves
the probable cause of an increase in temperature of gases of combustion at the
boiler Outlet is____ - (answers)dirty heating services
boilers in battery equipped with________ must have two main steam stop valves
and a free-flowing drain between them - (answers)manhole openings
in order to be sure the gauge glass is indicating an accurate water level reading,
the stationary engineer should______ - (answers)blowdown the gauge glass
a continuous blowdown line is located___ - (answers)in the Steam and water
drum well below the nowl
a temperature reading of 80 degrees Celsius is equal to_________°f -
(answers)176
a chimney temperature of 250 degrees Fahrenheit above steam temperature
indicates_______ - (answers)poor efficiency
3rd class stationary steam engineer license Exam
prep (Latest 2024/ 2025 Update) With Questions and
Verified Answers| | 100% Correct | Grade A+ | 100%
pass
_________ are necessary for complete combustion - (answers)time, temperature,
mixture, and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ -
(answers)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 - (answers)12
an oil cooler is commonly used with a(n) ________ when operating in conjunction
with a turbo-generator - (answers)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 -
(answers)superheated
the economizer on a boiler is used to _______ - (answers)add heat to the feed
water
blowers are normally used with________ boilers - (answers)water tube
,2|Page
overheating of tubes on a boiler can be caused by________ - (answers)scale on
tubes
carbon dioxide in a condensate return system causes_________ -
(answers)channeling
a ________ pump is a positive displacement pump - (answers)reciprocating
a boiler generating 6000 lb of steam/hr produces _______btu/hr -
(answers)6,000,000
a bottom blowdown is performed on a boiler to _____ - (answers)discharge
sludge and sediment
water columns are connected to the boiler with a minimum of _______" pipe -
(answers)1
the minimum size of a water column blowdown valve is_______". - (answers)3/4
the maximum size bottom blowdown valve on a boiler is_________". - (answers)2
1/2
a ________ allows condensate to pass through, but stops Steam. - (answers)a
steam trap
, 3|Page
when taking over a shift, the first thing to do is check the________ -
(answers)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________ - (answers)two or more safety valves
the probable cause of an increase in temperature of gases of combustion at the
boiler Outlet is____ - (answers)dirty heating services
boilers in battery equipped with________ must have two main steam stop valves
and a free-flowing drain between them - (answers)manhole openings
in order to be sure the gauge glass is indicating an accurate water level reading,
the stationary engineer should______ - (answers)blowdown the gauge glass
a continuous blowdown line is located___ - (answers)in the Steam and water
drum well below the nowl
a temperature reading of 80 degrees Celsius is equal to_________°f -
(answers)176
a chimney temperature of 250 degrees Fahrenheit above steam temperature
indicates_______ - (answers)poor efficiency
