First Class Steam License Exam Review Questions And 100% Solved Solutions.
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Module
Stationary Engineer License
Institution
Stationary Engineer License
if the boiler is generating 20,000 lb/hr of steam, it must be supplied with ________ lb/hr of feedwater - Answer 20,000
from the deaerator, oxygen and other noncondensable gases are separated from the feedwater and directed to the atmosphere _________ - Answer through the vent
a(n) ____...
First Class Steam License Exam Review
Questions And 100% Solved Solutions.
if the boiler is generating 20,000 lb/hr of steam, it must be supplied with ________ lb/hr of feedwater -
Answer 20,000
from the deaerator, oxygen and other noncondensable gases are separated from the feedwater and
directed to the atmosphere _________ - Answer through the vent
a(n) ___________ system is a system of measuring instruments and controllers that work together to
control a process - Answer controll
one pound of water is needed to produce ________ of steam - Answer 1lb
in a low-pressure gas system, the ________ valve is an electric valve that cannot be opened until the gas
pilot is lit - Answer manual reset
______ are used for loads that require dry steam, such as turbines - 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 - 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 - Answer minutes
in a fuel oil system, the purpose of duplex strainers is to _________. - Answer permit one strainer to be
cleaned while the other is in service
superheated steam has more _______ than saturated steam at the same pressure. - Answer heat
energy
, the deaerator is located ________. - 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. - Answer shutoff
the purpose of any fuel oil system is to supply fuel oil to the burner at the proper __________ - Answer
temperature and pressure
number ________fuel oil needs to be heated before it is pump so that it can flow - Answer number 6
pulverizing coal allows__________ - Answer for closer contact between the coal and oxygen for
complete combustion
draft is ____________caused by a difference in pressure between two points - Answer the flow of air
or gases of combustion
natural draft is the result of temperature differences between __________ - Answer air and gasses of
combustion
in a high-pressure gas system, the air mixes with the gas in the _________ - Answer burner register
a measuring instrument can use a___________to send a signal to a controller - Answer transmitter
pulverized coal is ground into a fine powder and blown into the combustion chamber where it is burned
in ___________ - Answer suspension
a control system uses a__________to execute a control strategy - Answer control Loop
water weighs approximately__________lb/gal - Answer 8.3 lb/gal
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