A.When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result
B.When going directly from full ahead to full astern，there is complete steering control
C.When the vessel has headway and the propeller is in neutral，there is no effect on rudder control
D.When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM
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A.causing moisture to accumulate against the bulkhead
B.lowering the vapor pressure of the commodity
C.lowering the dew point of the air
D.raising the vapor pressure of the commodity
A.structural bulkhead
B.exterior bulkhead
C.centerline bulkhead
D.joiner bulkhead
A.collar band
B.guy band
C.pad eye collar
D.spider band
A.Frame
B.Deckbeam
C.Stringer
D.Keel
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The deadweight of a bulk carrier consists of（）.
The section of each end of a barge which is heavily reinforced to take the pressure of pushing is called the（）.
Why is it necessary to extend ventilators of gasoline powered vessels to the bilges（）.
（）is not a longitudinal structural member.
Which space cannot be deducted from gross tonnage when calculating net tonnage（）.
What is the purpose of a striker plate? （）
What type of stern tube bearing has the least friction（）.
The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the（）.
The riding pawl is（）.
The Captain’s accommodation comprising rooms certified for his exclusive use may be（）in the measurement of vessel’s tonnage.