A.indicated horsepower
B.brake horsepower
C.dynamic horsepower
D.net horsepower
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A.tow strain
B.catenary length
C.being in step
D.Williamson's Tow
A.At the head of the tow
B.75m from the head of the tow
C.120m from the head of the tow
D.180m from the head of the tow
A.yaw
B.surge
C.sway
D.swing
A.only one high and one low water occur during a lunar day
B.the high tide is higher and the low tide is lower than usual
C.the high tide and low tide are exactly six hours apart
D.two high tides occur during a lunar day
A.bar securing a cargo port
B.centerline vertical bulkhead
C.deep beam
D.spanner stay
最新試題
A towing vessel should be on the crest of a wave at the same time as its tow and in the trough at the same time. The term used to describe this is（）.
If the situation arose where it became necessary to tow a disabled vessel，which statement is TRUE concerning the towing line?（）.
Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel? （）
As the weather was worsening and wind force rising to 8，my vessel（）were yawing within forty degrees of the compass.
Topside icing that blocks freeing ports and scuppers（）.
Before entering an ice area，the ship should be（）.
For operations in pack ice，a vessel should（）.
A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the（）.
An alternating light（）.
If a tow sinks in shallow water，you should（）.