First Class Steam License Exam Prep
2026/2027 | Comprehensive Questions &
Answers
if the boiler is generating 20,000 lb/hr of steam, it must be supplied with
________ lb/hr of feedwater - correct answer-20,000
from the deaerator, oxygen and other noncondensable gases are separated from
the feedwater and directed to the atmosphere _________ - correct answer-
through the vent
a(n) ___________ system is a system of measuring instruments and controllers
that work together to control a process - correct answer-controll
one pound of water is needed to produce ________ of steam - correct answer-1lb
in a low-pressure gas system, the ________ valve is an electric valve that cannot
be opened until the gas pilot is lit - correct answer-manual reset
______ are used for loads that require dry steam, such as turbines - correct
answer-superheaters
,in a feedwater system, the ________ valve is located close to the shell of the
boiler on the feedwater line so that the check valve can be repaired without
draining (dumping) the boiler - correct answer-stop
a steaming boiler can have the water in the gauge glass go from half full to empty
in a matter of ________ if water is not added to the boiler - correct answer-
minutes
in a fuel oil system, the purpose of duplex strainers is to _________. - correct
answer-permit one strainer to be cleaned while the other is in service
superheated steam has more _______ than saturated steam at the same
pressure. - correct answer-heat energy
the deaerator is located ________. - correct answer-above the feedwater pumps
a gas pilot line on a high-pressure gas system supplies gas through a _________
valve to the pilot gas pressure regulator. - correct answer-shutoff
the purpose of any fuel oil system is to supply fuel oil to the burner at the proper
__________ - correct answer-temperature and pressure
number ________fuel oil needs to be heated before it is pump so that it can flow
- correct answer-number 6
, pulverizing coal allows__________ - correct answer-for closer contact between
the coal and oxygen for complete combustion
draft is ____________caused by a difference in pressure between two points -
correct answer-the flow of air or gases of combustion
natural draft is the result of temperature differences between __________ -
correct answer-air and gasses of combustion
in a high-pressure gas system, the air mixes with the gas in the _________ -
correct answer-burner register
a measuring instrument can use a___________to send a signal to a controller -
correct answer-transmitter
pulverized coal is ground into a fine powder and blown into the combustion
chamber where it is burned in ___________ - correct answer-suspension
a control system uses a__________to execute a control strategy - correct answer-
control Loop
water weighs approximately__________lb/gal - correct answer-8.3 lb/gal
induced draft is produced by pulling air through the boiler furnace with a fan
located in the ____________ - correct answer-breeching
2026/2027 | Comprehensive Questions &
Answers
if the boiler is generating 20,000 lb/hr of steam, it must be supplied with
________ lb/hr of feedwater - correct answer-20,000
from the deaerator, oxygen and other noncondensable gases are separated from
the feedwater and directed to the atmosphere _________ - correct answer-
through the vent
a(n) ___________ system is a system of measuring instruments and controllers
that work together to control a process - correct answer-controll
one pound of water is needed to produce ________ of steam - correct answer-1lb
in a low-pressure gas system, the ________ valve is an electric valve that cannot
be opened until the gas pilot is lit - correct answer-manual reset
______ are used for loads that require dry steam, such as turbines - correct
answer-superheaters
,in a feedwater system, the ________ valve is located close to the shell of the
boiler on the feedwater line so that the check valve can be repaired without
draining (dumping) the boiler - correct answer-stop
a steaming boiler can have the water in the gauge glass go from half full to empty
in a matter of ________ if water is not added to the boiler - correct answer-
minutes
in a fuel oil system, the purpose of duplex strainers is to _________. - correct
answer-permit one strainer to be cleaned while the other is in service
superheated steam has more _______ than saturated steam at the same
pressure. - correct answer-heat energy
the deaerator is located ________. - correct answer-above the feedwater pumps
a gas pilot line on a high-pressure gas system supplies gas through a _________
valve to the pilot gas pressure regulator. - correct answer-shutoff
the purpose of any fuel oil system is to supply fuel oil to the burner at the proper
__________ - correct answer-temperature and pressure
number ________fuel oil needs to be heated before it is pump so that it can flow
- correct answer-number 6
, pulverizing coal allows__________ - correct answer-for closer contact between
the coal and oxygen for complete combustion
draft is ____________caused by a difference in pressure between two points -
correct answer-the flow of air or gases of combustion
natural draft is the result of temperature differences between __________ -
correct answer-air and gasses of combustion
in a high-pressure gas system, the air mixes with the gas in the _________ -
correct answer-burner register
a measuring instrument can use a___________to send a signal to a controller -
correct answer-transmitter
pulverized coal is ground into a fine powder and blown into the combustion
chamber where it is burned in ___________ - correct answer-suspension
a control system uses a__________to execute a control strategy - correct answer-
control Loop
water weighs approximately__________lb/gal - correct answer-8.3 lb/gal
induced draft is produced by pulling air through the boiler furnace with a fan
located in the ____________ - correct answer-breeching
