A.at any time
B.only after the engine room control station is switched to ‘bridge control’
C.whenever the secondary station is switched to ‘bridge control’
D.whenever the engine side control station is switched to ‘bridge control’
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A.one half crankshaft speed in a two-stroke cycle diesel engine
B.crankshaft speed in a two-stroke cycle diesel engine
C.two times crankshaft speed in a two-stroke cycle diesel engine
D.one-fourth times crankshaft speed in a four-stroke cycle diesel engine
A.measure equipment
B.main electrical
C.my engine
D.main engine
A.a sea water chest
B.a change-over chest
C.a buffer tank
D.a three-way valve
A.open
B.open front type
C.live front type
D.dead front type
A.an injection process
B.an ejection process
C.a separation process
D.a heating process
最新試題
The main purpose of port State control is not to（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
Cold weather starting of a diesel engine may be made easier by（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
（） is not installed on the main switchboar.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
The shipboard oil pollution emergency plan will be invalid after （）