3RD CLASS STATIONARY STEAM
ENGINEER LICENSE WITH VERIFIED
QUESTIONS AND ANSWERS
2025/2026
_________ are necessary for complete combustion - CORRECT ANSWERS -time, temperature, mixture,
and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ - CORRECT 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 - CORRECT ANSWERS -12
an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-
generator - CORRECT 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 - CORRECT ANSWERS -superheated
the economizer on a boiler is used to _______ - CORRECT ANSWERS -add heat to the feed water
blowers are normally used with________ boilers - CORRECT ANSWERS -water tube
overheating of tubes on a boiler can be caused by________ - CORRECT ANSWERS -scale on tubes
carbon dioxide in a condensate return system causes_________ - CORRECT ANSWERS -channeling
,a ________ pump is a positive displacement pump - CORRECT ANSWERS -reciprocating
a boiler generating 6000 lb of steam/hr produces _______btu/hr - CORRECT ANSWERS -6,000,000
a bottom blowdown is performed on a boiler to _____ - CORRECT ANSWERS -discharge sludge and
sediment
water columns are connected to the boiler with a minimum of _______" pipe - CORRECT ANSWERS -1
the minimum size of a water column blowdown valve is_______". - CORRECT ANSWERS -3/4
the maximum size bottom blowdown valve on a boiler is_________". - CORRECT ANSWERS -2 1/2
a ________ allows condensate to pass through, but stops Steam. - CORRECT ANSWERS -a steam trap
when taking over a shift, the first thing to do is check the________ - CORRECT 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________ - CORRECT ANSWERS -two or more safety valves
the probable cause of an increase in temperature of gases of combustion at the boiler Outlet is____ -
CORRECT ANSWERS -dirty heating services
boilers in battery equipped with________ must have two main steam stop valves and a free-flowing
drain between them - CORRECT ANSWERS -manhole openings
, in order to be sure the gauge glass is indicating an accurate water level reading, the stationary engineer
should______ - CORRECT ANSWERS -blowdown the gauge glass
a continuous blowdown line is located___ - CORRECT ANSWERS -in the Steam and water drum well
below the nowl
a temperature reading of 80 degrees Celsius is equal to_________°f - CORRECT ANSWERS -176
a chimney temperature of 250 degrees Fahrenheit above steam temperature indicates_______ -
CORRECT ANSWERS -poor efficiency
a manometer is red in________ - CORRECT ANSWERS -inches of water
the boiling point of water will____ with an increase in pressure - CORRECT ANSWERS -be raised
if a lather is not obtained when performing a soap hardness test, the water sample is_______ - CORRECT
ANSWERS -hard
combustion efficiency can be increased when air is________ - CORRECT ANSWERS -preheated
______ draft is produced by a fan located between the boiler and the chimney - CORRECT ANSWERS -
induced
the overspeed trip on a steam turbine should be tested ______ - CORRECT ANSWERS -before putting the
steam turbine on-line
ENGINEER LICENSE WITH VERIFIED
QUESTIONS AND ANSWERS
2025/2026
_________ are necessary for complete combustion - CORRECT ANSWERS -time, temperature, mixture,
and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ - CORRECT 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 - CORRECT ANSWERS -12
an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-
generator - CORRECT 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 - CORRECT ANSWERS -superheated
the economizer on a boiler is used to _______ - CORRECT ANSWERS -add heat to the feed water
blowers are normally used with________ boilers - CORRECT ANSWERS -water tube
overheating of tubes on a boiler can be caused by________ - CORRECT ANSWERS -scale on tubes
carbon dioxide in a condensate return system causes_________ - CORRECT ANSWERS -channeling
,a ________ pump is a positive displacement pump - CORRECT ANSWERS -reciprocating
a boiler generating 6000 lb of steam/hr produces _______btu/hr - CORRECT ANSWERS -6,000,000
a bottom blowdown is performed on a boiler to _____ - CORRECT ANSWERS -discharge sludge and
sediment
water columns are connected to the boiler with a minimum of _______" pipe - CORRECT ANSWERS -1
the minimum size of a water column blowdown valve is_______". - CORRECT ANSWERS -3/4
the maximum size bottom blowdown valve on a boiler is_________". - CORRECT ANSWERS -2 1/2
a ________ allows condensate to pass through, but stops Steam. - CORRECT ANSWERS -a steam trap
when taking over a shift, the first thing to do is check the________ - CORRECT 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________ - CORRECT ANSWERS -two or more safety valves
the probable cause of an increase in temperature of gases of combustion at the boiler Outlet is____ -
CORRECT ANSWERS -dirty heating services
boilers in battery equipped with________ must have two main steam stop valves and a free-flowing
drain between them - CORRECT ANSWERS -manhole openings
, in order to be sure the gauge glass is indicating an accurate water level reading, the stationary engineer
should______ - CORRECT ANSWERS -blowdown the gauge glass
a continuous blowdown line is located___ - CORRECT ANSWERS -in the Steam and water drum well
below the nowl
a temperature reading of 80 degrees Celsius is equal to_________°f - CORRECT ANSWERS -176
a chimney temperature of 250 degrees Fahrenheit above steam temperature indicates_______ -
CORRECT ANSWERS -poor efficiency
a manometer is red in________ - CORRECT ANSWERS -inches of water
the boiling point of water will____ with an increase in pressure - CORRECT ANSWERS -be raised
if a lather is not obtained when performing a soap hardness test, the water sample is_______ - CORRECT
ANSWERS -hard
combustion efficiency can be increased when air is________ - CORRECT ANSWERS -preheated
______ draft is produced by a fan located between the boiler and the chimney - CORRECT ANSWERS -
induced
the overspeed trip on a steam turbine should be tested ______ - CORRECT ANSWERS -before putting the
steam turbine on-line
