Stationary Engineer License Exam Prep | Questions from the
Boiler Operator's Exam Prep Guide by Theodore Sauselein
Save
A_____fuse is necessary for a circuit with a load of 21,000 A. 100 amps. Note: V = IR Therefore I = V/R 21,000 amps /220 volts = 95 amps
watts and a voltage of 220 volts.
A. 100
B. 150
C. 175
D. 200
At 0 psig, how many BTU's are required to change 1 lb of C. 970 BTU
water at 212F to steam? 3 multiple choice options
A. 144
B. 180
C. 970
D. 1190
Radiation is: D. Heat transfer by waves
A. the movement of liquids or gases created by a
temperature difference.
B. Heat transfer by direct molecular 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 established relationship comparing any substance
to the heat content of water.
B. Heat quantity that can be felt or measured by a
thermometer
C. Heat quantity above the saturation point
D. Measure of heat intensity
, All steam lines should be pitched: A. In the direction of flow
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 through a Sterling Boiler Feedwater flows to 1) rearmost drum 2) down to the mud 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 have what effect on the C - higher Boiling Point
boiling point of water?
A. No change
B. Lower BP
C. Higher BP
D. Temperature will increase 2F for every psi
Heat absorbed by water when is changes from liquid to B. Latent Heat
steam at the boiling point is called:
A. Sensible heat
B. Latent heat
C. Specific heat
D. Super heat
Heat may be transferred in how many ways? C. 3 ways: conduction, convection and radiation
A. 1
B. 2
C. 3
D. 4
Boiler Operator's Exam Prep Guide by Theodore Sauselein
Save
A_____fuse is necessary for a circuit with a load of 21,000 A. 100 amps. Note: V = IR Therefore I = V/R 21,000 amps /220 volts = 95 amps
watts and a voltage of 220 volts.
A. 100
B. 150
C. 175
D. 200
At 0 psig, how many BTU's are required to change 1 lb of C. 970 BTU
water at 212F to steam? 3 multiple choice options
A. 144
B. 180
C. 970
D. 1190
Radiation is: D. Heat transfer by waves
A. the movement of liquids or gases created by a
temperature difference.
B. Heat transfer by direct molecular 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 established relationship comparing any substance
to the heat content of water.
B. Heat quantity that can be felt or measured by a
thermometer
C. Heat quantity above the saturation point
D. Measure of heat intensity
, All steam lines should be pitched: A. In the direction of flow
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 through a Sterling Boiler Feedwater flows to 1) rearmost drum 2) down to the mud 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 have what effect on the C - higher Boiling Point
boiling point of water?
A. No change
B. Lower BP
C. Higher BP
D. Temperature will increase 2F for every psi
Heat absorbed by water when is changes from liquid to B. Latent Heat
steam at the boiling point is called:
A. Sensible heat
B. Latent heat
C. Specific heat
D. Super heat
Heat may be transferred in how many ways? C. 3 ways: conduction, convection and radiation
A. 1
B. 2
C. 3
D. 4
