3rd Class Stationary Steam Engineer License Exam
Newest 2026 Questions and Correct Detailed Answers
Already Graded A+
in order to be sure the gauge glass is indicating an accurate water level reading,
the stationary engineer should______ - CORRECT ANSWER-blowdown the
gauge glass
a continuous blowdown line is located___ - CORRECT ANSWER-in the Steam
and water drum well below the nowl
a temperature reading of 80 degrees Celsius is equal to_________°f - CORRECT
ANSWER-176
a chimney temperature of 250 degrees Fahrenheit above steam temperature
indicates_______ - CORRECT ANSWER-poor efficiency
a manometer is red in________ - CORRECT ANSWER-inches of water
the boiling point of water will____ with an increase in pressure - CORRECT
ANSWER-be raised
,if a lather is not obtained when performing a soap hardness test, the water
sample is_______ - CORRECT ANSWER-hard
combustion efficiency can be increased when air is________ - CORRECT
ANSWER-preheated
______ draft is produced by a fan located between the boiler and the chimney -
CORRECT ANSWER-induced
the overspeed trip on a steam turbine should be tested ______ - CORRECT
ANSWER-before putting the steam turbine on-line
a high CO2 reading in the gases of combustion is a sign of____ - CORRECT
ANSWER-High combustion efficiency
_________ are necessary for complete combustion - CORRECT ANSWER-time,
temperature, mixture, and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ -
CORRECT 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 - CORRECT ANSWER-12
an oil cooler is commonly used with a(n) ________ when operating in conjunction
with a turbo-generator - CORRECT 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 -
CORRECT ANSWER-superheated
the economizer on a boiler is used to _______ - CORRECT ANSWER-add heat
to the feed water
blowers are normally used with________ boilers - CORRECT ANSWER-water
tube
overheating of tubes on a boiler can be caused by________ - CORRECT
ANSWER-scale on tubes
carbon dioxide in a condensate return system causes_________ - CORRECT
ANSWER-channeling
, a ________ pump is a positive displacement pump - CORRECT ANSWER-
reciprocating
a boiler generating 6000 lb of steam/hr produces _______btu/hr - CORRECT
ANSWER-6,000,000
a bottom blowdown is performed on a boiler to _____ - CORRECT ANSWER-
discharge sludge and sediment
water columns are connected to the boiler with a minimum of _______" pipe -
CORRECT ANSWER-1
the minimum size of a water column blowdown valve is_______". - CORRECT
ANSWER-3/4
the maximum size bottom blowdown valve on a boiler is_________". -
CORRECT ANSWER-2 1/2
a ________ allows condensate to pass through, but stops Steam. - CORRECT
ANSWER-a steam trap
Newest 2026 Questions and Correct Detailed Answers
Already Graded A+
in order to be sure the gauge glass is indicating an accurate water level reading,
the stationary engineer should______ - CORRECT ANSWER-blowdown the
gauge glass
a continuous blowdown line is located___ - CORRECT ANSWER-in the Steam
and water drum well below the nowl
a temperature reading of 80 degrees Celsius is equal to_________°f - CORRECT
ANSWER-176
a chimney temperature of 250 degrees Fahrenheit above steam temperature
indicates_______ - CORRECT ANSWER-poor efficiency
a manometer is red in________ - CORRECT ANSWER-inches of water
the boiling point of water will____ with an increase in pressure - CORRECT
ANSWER-be raised
,if a lather is not obtained when performing a soap hardness test, the water
sample is_______ - CORRECT ANSWER-hard
combustion efficiency can be increased when air is________ - CORRECT
ANSWER-preheated
______ draft is produced by a fan located between the boiler and the chimney -
CORRECT ANSWER-induced
the overspeed trip on a steam turbine should be tested ______ - CORRECT
ANSWER-before putting the steam turbine on-line
a high CO2 reading in the gases of combustion is a sign of____ - CORRECT
ANSWER-High combustion efficiency
_________ are necessary for complete combustion - CORRECT ANSWER-time,
temperature, mixture, and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ -
CORRECT 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 - CORRECT ANSWER-12
an oil cooler is commonly used with a(n) ________ when operating in conjunction
with a turbo-generator - CORRECT 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 -
CORRECT ANSWER-superheated
the economizer on a boiler is used to _______ - CORRECT ANSWER-add heat
to the feed water
blowers are normally used with________ boilers - CORRECT ANSWER-water
tube
overheating of tubes on a boiler can be caused by________ - CORRECT
ANSWER-scale on tubes
carbon dioxide in a condensate return system causes_________ - CORRECT
ANSWER-channeling
, a ________ pump is a positive displacement pump - CORRECT ANSWER-
reciprocating
a boiler generating 6000 lb of steam/hr produces _______btu/hr - CORRECT
ANSWER-6,000,000
a bottom blowdown is performed on a boiler to _____ - CORRECT ANSWER-
discharge sludge and sediment
water columns are connected to the boiler with a minimum of _______" pipe -
CORRECT ANSWER-1
the minimum size of a water column blowdown valve is_______". - CORRECT
ANSWER-3/4
the maximum size bottom blowdown valve on a boiler is_________". -
CORRECT ANSWER-2 1/2
a ________ allows condensate to pass through, but stops Steam. - CORRECT
ANSWER-a steam trap
