A.backwards
B.forwards
C.upward
D.downwards
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A.air chamber
B.head lank
C.primer
D.prime mover
A.eye
B.hole
C.balance holes
D.opening
A.Carry out soot blowing if permissible
B.Change fuel supply to diesel oil
C.Close steam stop valves on boiler when pressure is reduced
D.Drain boiler empty when it has cooled down
A.blow
B.clean
C.scavenge
D.purge
A.main stern stop valve
B.auxiliary steam stop valve
C.scum valve
D.blow down valve
最新試題
The condensers located in various stages of a flash evaporator are cooled by（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
To proceed to the assistance of a ship in distress is（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
The main purpose of port State control is not to（）
The treatment of the fuel oils involves storage, heating, filtering and（）
Using a file without a handle may result in （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）