A.angle that the propeller makes with a free stream of water
B.angle that the propeller makes with the surface of the water
C.number of feet per revolution the propeller is designed to advance in still water without slip
D.positive pressure resulting from the difference of the forces on both sides of the moving propeller in still water without slip
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A.a margin of safety is provided should the line part
B.the towline will wear more evenly
C.there will be less stress on the towline
D.a slight increase in speed will be realized
A.advance
B.head reach
C.pitch
D.transfer
A.advance
B.head reach
C.pitch
D.transfer
A.arm
B.pitch
C.gage
D.rivet distance
A.one engine and a steering oar
B.both engines at the same speed
C.one engine at a time
D.one engine running at reduced speed and controlling the vessel with the other
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Which is TRUE of a stiff vessel? （）
That half of the hurricane to the right hand side of its track (as you face the same direction that the storm is moving) in the Northern Hemisphere is called the（）.
When taking soundings on a floating ship，the tape should be lowered and brought back quickly to（）.
The distance between rivets in a row is known as the（）.
Which statement concerning maneuvering in restricted visibility is FALSE?（）.
The time required to incline from bow down to stern down and return to bow down again is called（）.
Which statement about stopping a vessel is TRUE?（）
The preferred method of controlling external bleeding is by（）.
The area around Cape Charles is（）.
Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller? （）