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单选题
The water level in the gauge glass when a boiler is operating is （） when the boiler is shut down.
A
lower than
B
higher than
C
below
D
equal to
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单选题When steam is being raised on a boiler, the water level will normally （）.A
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考题
单选题When a boiler is operating, the water level in the gauge glass reads （） when the boiler is shut down.A
lower thanB
higher thanC
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the same as
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单选题As for an oil-fired boiler if at a normal steaming condition and water goes out of sight in gauge glasses the action you should take is: （） (1) secure oil to fires (2) increase feed pump pressureA
（1）B
（1）and（2）C
（2）D
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abnormally high feed water temperatureC
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steam demand exceeding feed pump capacity
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单选题Which action should be taken when an auxiliary boiler in is operation?（）A
Clean all electrical connectionsB
Lift the relief valves by handC
Inspect and clean all solenoid valvesD
Inspect for oil and water leaks
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