Stationary Engineer License Exam Prep (A multiple
choice question study set to help you prepare for
the Stationary Engineer Licensing examination.
Questions, Sourced from, "Boiler Operator's Exam
Prep Guide" by Theodore Sauselein. / Ace the
Exam 2025/2026!!
Terms in this set (253)
A ______ fuse is necessary A. 100 amps. Note: V = IR Therefore I = V/R 21,000 amps
for a circuit with a load of /220 volts = 95 amps
21,000 watts and a voltage of
220 volts.
A. 100
B. 150
C. 175
D. 200
At 0 psig, how many BTU's C. 970 BTU 3 multiple choice options
are required to change 1 lb
of water at 212F to steam?
A. 144
B. 180
C. 970
D. 1190
, D. Heat transfer by waves
Radiation is:
A. the movement of
liquidsor gases created by a
temperature difference.
B. Heat transfer by
directmolecular contact C.
the weight of a substance
compared to unity
D. Heat transfer by waves
Sensible heat is: B. Heat quantity that can be felt or measured by a thermometer
A. An
establishedrelationship
comparing any substance to
the heat content of water.
B. Heat quantity that
canbe felt or measured by a
thermometer
C. Heat quantity above
thesaturation point D.
Measure of heat intensity
All steam lines should be A. In the direction of flow
pitched:
A. In the direction of flow
B. Back towards the boiler
C. Level
D. For convenience
Draw a simple picture of a
Sterling Boiler. Label it.
,Describe the water flow Feedwater flows to 1) rearmost drum 2) down to the mud
through a Sterling Boiler drum 3) up to middle drum 4) to front drum through
crossover pipes and 5) back down to mud drum
Draw a picture of a Scotch
Boiler. Label the firebox,
combustion chamber, crown
sheet, tubes, feed water
inlet, steam outlet, stack,
Economizer and Superheater.
Draw a picture of a
Firetube Boiler. Label it.
Draw a picture of a
Locomotive Fire Tube
Boiler. Label it.
Increasing the pressure will C - higher Boiling Point
have what effect on the
boiling point of water?
A. No change
B. Lower BP
C. Higher BP
D. Temperature
willincrease 2F for every psi
, Heat absorbed by water B. Latent Heat
when is changes from liquid
to steam at the boiling point
is called:
A. Sensible heat
B. Latent heat
C. Specific heat
D. Super heat
Heat may be transferred in C. 3 ways: conduction, convection and radiation
how many ways?
A. 1
B. 2
C. 3
D. 4
A boiler horsepower is C. evaporation of 34.5 lb of water and at 212F per hour
defined as: A. 970.3 BTU
B. Total heating
surfacetimes the
evaporation factor
C. evaporation of 34.5
lbof water and at 212F per
hour
D. evaporation of 34.5
lbof water from and at 212F
per 8 hours
A boiler's steam pressure D. 164.7 psia (150 psig + 14.7 psi = 164.7 psia)
gauge reads 150 psig. What
is the absolute pressure? A.
14.7 psia
B. 135.3 psia
C. 150 psia
D. 164.7 psia
choice question study set to help you prepare for
the Stationary Engineer Licensing examination.
Questions, Sourced from, "Boiler Operator's Exam
Prep Guide" by Theodore Sauselein. / Ace the
Exam 2025/2026!!
Terms in this set (253)
A ______ fuse is necessary A. 100 amps. Note: V = IR Therefore I = V/R 21,000 amps
for a circuit with a load of /220 volts = 95 amps
21,000 watts and a voltage of
220 volts.
A. 100
B. 150
C. 175
D. 200
At 0 psig, how many BTU's C. 970 BTU 3 multiple choice options
are required to change 1 lb
of water at 212F to steam?
A. 144
B. 180
C. 970
D. 1190
, D. Heat transfer by waves
Radiation is:
A. the movement of
liquidsor gases created by a
temperature difference.
B. Heat transfer by
directmolecular contact C.
the weight of a substance
compared to unity
D. Heat transfer by waves
Sensible heat is: B. Heat quantity that can be felt or measured by a thermometer
A. An
establishedrelationship
comparing any substance to
the heat content of water.
B. Heat quantity that
canbe felt or measured by a
thermometer
C. Heat quantity above
thesaturation point D.
Measure of heat intensity
All steam lines should be A. In the direction of flow
pitched:
A. In the direction of flow
B. Back towards the boiler
C. Level
D. For convenience
Draw a simple picture of a
Sterling Boiler. Label it.
,Describe the water flow Feedwater flows to 1) rearmost drum 2) down to the mud
through a Sterling Boiler drum 3) up to middle drum 4) to front drum through
crossover pipes and 5) back down to mud drum
Draw a picture of a Scotch
Boiler. Label the firebox,
combustion chamber, crown
sheet, tubes, feed water
inlet, steam outlet, stack,
Economizer and Superheater.
Draw a picture of a
Firetube Boiler. Label it.
Draw a picture of a
Locomotive Fire Tube
Boiler. Label it.
Increasing the pressure will C - higher Boiling Point
have what effect on the
boiling point of water?
A. No change
B. Lower BP
C. Higher BP
D. Temperature
willincrease 2F for every psi
, Heat absorbed by water B. Latent Heat
when is changes from liquid
to steam at the boiling point
is called:
A. Sensible heat
B. Latent heat
C. Specific heat
D. Super heat
Heat may be transferred in C. 3 ways: conduction, convection and radiation
how many ways?
A. 1
B. 2
C. 3
D. 4
A boiler horsepower is C. evaporation of 34.5 lb of water and at 212F per hour
defined as: A. 970.3 BTU
B. Total heating
surfacetimes the
evaporation factor
C. evaporation of 34.5
lbof water and at 212F per
hour
D. evaporation of 34.5
lbof water from and at 212F
per 8 hours
A boiler's steam pressure D. 164.7 psia (150 psig + 14.7 psi = 164.7 psia)
gauge reads 150 psig. What
is the absolute pressure? A.
14.7 psia
B. 135.3 psia
C. 150 psia
D. 164.7 psia
