單項(xiàng)選擇題If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out（）.

A.Chain stopper
B.Devil's claw
C.Hawse ratchet
D.Riding pawl


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1.單項(xiàng)選擇題If the ship is alongside the wharf，what kind of（）is used?

A.pilot ladder
B.rope ladder
C.rod ladder
D.accommodation ladder

2.單項(xiàng)選擇題If a ship has sternway，with accommodation block aft，she may settle with the wind（）.

A.on her beam
B.on her stern
C.on her bow
D.broad on the quarter

3.單項(xiàng)選擇題Conventional anchors are least likely to hold in a bottom consisting of（）.

A.soft clay
B.hard mud
C.very soft mud
D.sand

4.單項(xiàng)選擇題All the following is true except that（）.

A.in many places a counter current flows in opposition to the main current close to the bank
B.current can vary with depth of water and large deep draught ships can experience different current effects at differing parts of the hull tend to turn to the wind
C.as speed is reduced，the increased proportion of the ship's vector which is attributable to current will set the ship close to obstructions
D.when close to the berth in a head current，there is a danger that flow inshore of the ship becomes restricted and the ship is subject to interactive forces

5.單項(xiàng)選擇題A ship will always want to settle into a position where（）.

A.the pivot point and point of influence of wind in are not in alignment
B.the pivot point and point of influence of wind in are in alignment
C.the point of influence of wind moves depending on the profile of the ship presented to the wind
D.the ship steams slowly in rough seas

最新試題

When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）（）.

題型：?jiǎn)雾?xiàng)選擇題

When turning a ship in restricted space with a strong wind，it is normally best to（）.

題型：?jiǎn)雾?xiàng)選擇題

If the ship is alongside the wharf，what kind of（）is used?

題型：?jiǎn)雾?xiàng)選擇題

You are proceeding down a channel and lose the engine（s）.You must use the anchors to stop the ship.Which statement is true（）.

題型：?jiǎn)雾?xiàng)選擇題

Your vessel is anchored in an open roadstead with three shots of chain out on the port anchor.The wind freshens considerably and the anchor begins to drag.Which action should you take FIRST（）.

題型：?jiǎn)雾?xiàng)選擇題

You are mooring to a buoy．You should approach the buoy with the current from（）.

題型：?jiǎn)雾?xiàng)選擇題

When anchoring，good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use（）.

題型：?jiǎn)雾?xiàng)選擇題

You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn.If you observe the buoy moving aft relative to you，what should you do（）.

題型：?jiǎn)雾?xiàng)選擇題

That（）is not caused by shallow water.

題型：?jiǎn)雾?xiàng)選擇題

A（）is the intersection of the surface of a sphere and a plane passing through the center of the sphere.

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