A.completed
B.carried out
C.cleaned
D.steamed
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A.one to supply steam to the main propulsion turbine
B.an auxiliary boiler
C.A and B
D.neither A nor B
A.fuel tank
B.bilge
C.atmosphere
D.auxiliary exhaust line
A.ensure feed water flow into the boiler
B.keep the steam drum pressure high
C.prevent water hammer in the feed line
D.help the feed water flash to steam
A.take no measures
B.extinguish the fire as soon as possible
C.feed water to the boiler
D.open the blow down valve
A.feed pump suction line
B.hot well
C.shell of the feed heater
D.feed lines to the boiler
最新試題
When the steering gear is in operation, you should （）.
A salinity indicator is used to determine the （）.
A salinity indicator is used to determine the （）.
If the head pressure of a reciprocating refrigeration compressor is excessive, （）.
When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should （）.
Which of the listed pumps is NOT a positive displacement pump?（）
An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.
The output volume of a positive fixed displacement pump can be changed only by （）.
If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be （）.