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First Class Steam License Exam Questions And Answers
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First Class Steam License Exam Questions And Answers
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First Class Steam License ExamQuestions And 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
,First Class Steam License Exam
Questions And Answers
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
, First Class Steam License Exam
Questions And Answers
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
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