1|P a g e
3RD CLASS STATIONARY STEAM ENGINEER
LICENSE ACTUAL EXAM PREP 2026 ALL
QUESTIONS AND CORRECT DETAILED
ANSWERS ALREADY A GRADED WITH
EXPERT|CURRENTLY TESTING |NEW AND
REVISED
A continuous blowdown line is located___ - ANSWER- in the Steam
and water drum well below the nowl
A temperature reading of 80 degrees Celsius is equal to_________°f -
ANSWER- 176
A chimney temperature of 250 degrees Fahrenheit above steam
temperature indicates_______ - ANSWER- poor efficiency
A manometer is red in________ - ANSWER- inches of water
The boiling point of water will____ with an increase in pressure -
ANSWER- be raised
If a lather is not obtained when performing a soap hardness test, the
water sample is_______ - ANSWER- hard
,2|P a g e
Combustion efficiency can be increased when air is________ -
ANSWER- preheated
______ draft is produced by a fan located between the boiler and the
chimney - ANSWER- induced
The overspeed trip on a steam turbine should be tested ______ -
ANSWER- before putting the steam turbine on-line
A high CO2 reading in the gases of combustion is a sign of____ -
ANSWER- High combustion efficiency
The purpose of chemically treating feedwater is to________ -
ANSWER- turn scale-forming salts to a non adhering sludge
Water in a d rating feed water heater is prevented from entering the
steam line by a(n) _______. - ANSWER- Loop seal or internal overflow
A steam turbine operating at 3600 RPM will trip at_________ rpm -
ANSWER- 3960
He steam line going to The Blowers is connected to the main ________ -
ANSWER- steam drum
Before using blowers on a boiler,________ - ANSWER- drain set
blower lines
,3|P a g e
An accumulation of snow on the Fireside of a boiler tubes________ -
ANSWER- decreases boiler efficiency
A globe valve installed in the feed water line between the feed water
pump and boiler has a pressure from the feed water pump_________ the
valve disc - ANSWER- under
The range of a pressure gauge should be twice the safety valve setting,
but not less than______ time (s) the safety valve setting - ANSWER- 1
1/2
Hard scale formed on the inside of tubes is best removed by________ -
ANSWER- air- or water-driven turbines
To correct a low water condition,_____ - ANSWER- secure fires
Desuperheater drain is used to_______ - ANSWER- establish steam
flow
A sudden rise in chimney temperature with no increase in load
indicates______ - ANSWER- there is a broken baffle
The btu content of natural gas is_____ - ANSWER- 100,000 btu/therm
, 4|P a g e
The safety valve setting on the Steam and water drum is ________ a
superheater safety valve - ANSWER- higher than
The btu content of number 6 fuel oil is approximately - ANSWER-
18750 BTU / lb
Chemicals can be added to a boiler by a______pump - ANSWER-
proportioning
The feed water stop valve is found between the____ - ANSWER- boiler
and check valve
Sensible heat is______ - ANSWER- heat that can be measured with a
thermometer
Balanced draft is______ - ANSWER- constant furnace pressure slightly
below atmospheric pressure
A flame rod_______ - ANSWER- ensures that the gas pilot is lighted
There are approximately_____btu in 1 cu ft of Natural Gas - ANSWER-
1000
The ph of boiler water may be controlled by using ______ - ANSWER-
caustic soda
3RD CLASS STATIONARY STEAM ENGINEER
LICENSE ACTUAL EXAM PREP 2026 ALL
QUESTIONS AND CORRECT DETAILED
ANSWERS ALREADY A GRADED WITH
EXPERT|CURRENTLY TESTING |NEW AND
REVISED
A continuous blowdown line is located___ - ANSWER- in the Steam
and water drum well below the nowl
A temperature reading of 80 degrees Celsius is equal to_________°f -
ANSWER- 176
A chimney temperature of 250 degrees Fahrenheit above steam
temperature indicates_______ - ANSWER- poor efficiency
A manometer is red in________ - ANSWER- inches of water
The boiling point of water will____ with an increase in pressure -
ANSWER- be raised
If a lather is not obtained when performing a soap hardness test, the
water sample is_______ - ANSWER- hard
,2|P a g e
Combustion efficiency can be increased when air is________ -
ANSWER- preheated
______ draft is produced by a fan located between the boiler and the
chimney - ANSWER- induced
The overspeed trip on a steam turbine should be tested ______ -
ANSWER- before putting the steam turbine on-line
A high CO2 reading in the gases of combustion is a sign of____ -
ANSWER- High combustion efficiency
The purpose of chemically treating feedwater is to________ -
ANSWER- turn scale-forming salts to a non adhering sludge
Water in a d rating feed water heater is prevented from entering the
steam line by a(n) _______. - ANSWER- Loop seal or internal overflow
A steam turbine operating at 3600 RPM will trip at_________ rpm -
ANSWER- 3960
He steam line going to The Blowers is connected to the main ________ -
ANSWER- steam drum
Before using blowers on a boiler,________ - ANSWER- drain set
blower lines
,3|P a g e
An accumulation of snow on the Fireside of a boiler tubes________ -
ANSWER- decreases boiler efficiency
A globe valve installed in the feed water line between the feed water
pump and boiler has a pressure from the feed water pump_________ the
valve disc - ANSWER- under
The range of a pressure gauge should be twice the safety valve setting,
but not less than______ time (s) the safety valve setting - ANSWER- 1
1/2
Hard scale formed on the inside of tubes is best removed by________ -
ANSWER- air- or water-driven turbines
To correct a low water condition,_____ - ANSWER- secure fires
Desuperheater drain is used to_______ - ANSWER- establish steam
flow
A sudden rise in chimney temperature with no increase in load
indicates______ - ANSWER- there is a broken baffle
The btu content of natural gas is_____ - ANSWER- 100,000 btu/therm
, 4|P a g e
The safety valve setting on the Steam and water drum is ________ a
superheater safety valve - ANSWER- higher than
The btu content of number 6 fuel oil is approximately - ANSWER-
18750 BTU / lb
Chemicals can be added to a boiler by a______pump - ANSWER-
proportioning
The feed water stop valve is found between the____ - ANSWER- boiler
and check valve
Sensible heat is______ - ANSWER- heat that can be measured with a
thermometer
Balanced draft is______ - ANSWER- constant furnace pressure slightly
below atmospheric pressure
A flame rod_______ - ANSWER- ensures that the gas pilot is lighted
There are approximately_____btu in 1 cu ft of Natural Gas - ANSWER-
1000
The ph of boiler water may be controlled by using ______ - ANSWER-
caustic soda
