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MA 2nd Class Fireman's Practice Exam ||Verified
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A boiler's steam pressure gauge reads 150. What is the
absolute pressure?
a) 14.7
b) 135.3
c) 150
d) 164.7 - Answer-c) 150
What does 212 degrees F equal on the Celsius scale?
a) 32
b) 100
c) 180
d) 970.3 - Answer-b) 100
One boiler horsepower is equal to how many Btu?
a) 970.3
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b) 33,472
c) 125,000
d) One therm - Answer-b) 33,472
A British thermal unit is
a) the amount of heat needed to raise one pound of water
one degree F
b) the amount of heat needed to raise one pound of steam
one degree F
c) a unit of temperature measurement.
d) the amount of heat in water between freezing and
boiling. - Answer-a) the amount of heat needed to raise
one pound of water one degree F
Hydronic heat is
a) steam heat
b) hot water heat
c) radiant heat
d) heat of evaporation - Answer-b) hot water heat
Superheated steam is
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a) reheated steam
b) very hot steam
c) flash steam
d) saturated steam - Answer-a) reheated steam
2,545 Btu represents
a) 1 bhp
b) 1 kilowatt-hour
c) 1 horsepower-hour
d) 1 therm - Answer-c) 1 horsepower-hour
A throttling calorimeter is used to measure the quality of
a) dry steam
b) saturated steam
c) superheated steam
d) Btu in coal - Answer-b) saturated steam
The amount of heat in one pound of saturated steam is
approximately equal to
a) 970.3 Btu
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b) 1,150 Btu
c) 3,412 Btu
d) 100,000 Btu - Answer-b) 1,150 Btu
A boiler operating at 100 PSI has a dry saturated steam
temperature of 338 degrees F. What is the boilers water
temperature?
a) 180 degrees F
b) 212 degrees F
c) 309 degrees F
d) 338 degrees F - Answer-d) 338 degrees F
At 0 PSIG, how many BTU are necessary to change 1 lb
of water at 212 degrees Fahrenheit into 1 lb of steam?
a) 144
b) 180
c) 970
d) 1,190 - Answer-c) 970
Radiation is
a) the movement of liquids or gases created by a
temperature difference.
MA 2nd Class Fireman's Practice Exam ||Verified
Exam!!!|| Most Recent Exam Actual Complete Real
Exam Questions And Correct Answers (Verified
Answers) Already Graded A+ | Guaranteed Success!!
Newest Exam!!!
A boiler's steam pressure gauge reads 150. What is the
absolute pressure?
a) 14.7
b) 135.3
c) 150
d) 164.7 - Answer-c) 150
What does 212 degrees F equal on the Celsius scale?
a) 32
b) 100
c) 180
d) 970.3 - Answer-b) 100
One boiler horsepower is equal to how many Btu?
a) 970.3
,2|Page
b) 33,472
c) 125,000
d) One therm - Answer-b) 33,472
A British thermal unit is
a) the amount of heat needed to raise one pound of water
one degree F
b) the amount of heat needed to raise one pound of steam
one degree F
c) a unit of temperature measurement.
d) the amount of heat in water between freezing and
boiling. - Answer-a) the amount of heat needed to raise
one pound of water one degree F
Hydronic heat is
a) steam heat
b) hot water heat
c) radiant heat
d) heat of evaporation - Answer-b) hot water heat
Superheated steam is
,3|Page
a) reheated steam
b) very hot steam
c) flash steam
d) saturated steam - Answer-a) reheated steam
2,545 Btu represents
a) 1 bhp
b) 1 kilowatt-hour
c) 1 horsepower-hour
d) 1 therm - Answer-c) 1 horsepower-hour
A throttling calorimeter is used to measure the quality of
a) dry steam
b) saturated steam
c) superheated steam
d) Btu in coal - Answer-b) saturated steam
The amount of heat in one pound of saturated steam is
approximately equal to
a) 970.3 Btu
, 4|Page
b) 1,150 Btu
c) 3,412 Btu
d) 100,000 Btu - Answer-b) 1,150 Btu
A boiler operating at 100 PSI has a dry saturated steam
temperature of 338 degrees F. What is the boilers water
temperature?
a) 180 degrees F
b) 212 degrees F
c) 309 degrees F
d) 338 degrees F - Answer-d) 338 degrees F
At 0 PSIG, how many BTU are necessary to change 1 lb
of water at 212 degrees Fahrenheit into 1 lb of steam?
a) 144
b) 180
c) 970
d) 1,190 - Answer-c) 970
Radiation is
a) the movement of liquids or gases created by a
temperature difference.
