A.aluminum plates
B.lead cathodes
C.copper baffle plates
D.sacrificial zincs
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A.bearing pressure in a four-stroke\cycle acting single diesel engine is continually reversed
B.bearing pressure in a two-stroke\cycle single acting diesel engine is continually reversed
C.the maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engine
D.two-stoke/cycle diesel engines require more complicated lubrication piping
A.Common-rail injection
B.Air injection
C.Jerk pump injection
D.Distribution injection
A.two position control
B.signal speed floating control
C.proportional speed floating control
D.reset control
A.two position control
B.signal speed floating control
C.proportional control
D.reset control
A.compressed air and nitrogen
B.helium and nitrogen
C.oxygen and hydrogen
D.oxygen and acetylene
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Using a file without a handle may result in （）
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During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
The main purpose of port State control is not to（）
（） is not installed on the main switchboar.
If separating effect is not good, which measure should be taken （）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
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Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）