单项选择题
In （）, hot diesel engine jacket water passes over the stack and heats the sea water passing through the tubes.
A.a flash generator
B.a flash evaporator
C.a vacuum boiling evaporator
D.a boiler
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相关考题
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单项选择题
When a boiler is operating, the water level in the gauge glass reads （） when the boiler is shut down.
A.lower than
B.higher than
C.as much as
D.the same as -
单项选择题
Where an excessive level of contamination is detected an alarm is sounded and diverting valves are operatedThe discharging liquid is then passed to （）.
A.overboard
B.a bilge well
C.a slop tank
D.a hot well -
单项选择题
For the intermediate condition, thermostats must be correctly set （）.
A.by trial and error
B.by and large
C.automatically
D.very easily
