Quiz 5 Submission 1 BCIT PowerLab Questions And Answers
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Course
Power Engineering
Institution
Power Engineering
VO: When in operation, the connection between the drum level transmitter and the steam drum above the water level is - ANS filled with condensate.
VO: When the output from the boiler master is increasing, the signal from the - ANS air flow transmitter causes the fuel flow to ...
Quiz 5 Submission 1 BCIT PowerLab
Questions And Answers
VO: When in operation, the connection between the drum level transmitter and the steam drum
above the water level is - ANS filled with condensate.
VO: When the output from the boiler master is increasing, the signal from the - ANS air
flow transmitter causes the fuel flow to increase.
VO: The control system that maintains the desired steam pressure in the high pressure header
by controlling the flow of natural gas and air to the boiler furnace is called the - ANS
combustion control system.
VO: A limit switch is attached to the combustion control valve on the VIEW boiler. The limit
switch will not allow the main flame to be lit unless - ANS the combustion control valve is
in minimum fire position.
VO: The buttons used to start and stop the FD fan are designated by the letter - ANS C
VO: The term DCS stands for - ANS distributed control system.
VO: The purpose of the handwheel on the top of the VIEW boiler combustion control valve is to
- ANS stop the valve from closing to far creating unstable flame conditions.
VO: The device on a control valve that ensures that the valve moves to the position that is
called for by the controller is - ANS the positioner.
VO: The gas line on the VIEW boiler is equipped with two shutoff valves with a vent between
them to ensure tight shutoff when the boiler is shut down. This is referred to as a - ANS
double block and bleed.
VO: For the VIEW boiler to be started, several switches must be in the correct position to prove
that the FD fan is running, the boiler is filled, the combustion control valve at minimum fire, etc.
These are called - ANS permissives.
VO: Before the VIEW boiler can be purged, the air flow must be proven by (select all that apply)
- ANS adequate air flow as determined by the air flow transmitter.
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