單項選擇題Your vessel has anchored in a channel known to have strong tidal currents. To check your position you take a round of bearings，one of which is a range in line. One hour later the bearing on the lights in range opens up. This indicates the ship is（）.

A.swinging
B.dredging her anchor
C.taking bearings of the lights
D.taking distances of the lights


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1.單項選擇題That（）is not caused by shallow water.

A.turning ability deteriorates
B.virtual mass increases
C.the effect of the propeller transverse thrust on yaw alters
D.the ship will turn with its head towards the wind

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

A.the same ratio
B.more chain for each fathom of depth
C.less chain for each fathom of depth
D.two anchors with the same ratio of chain

3.單項選擇題You are entering port and have been instructed to anchor，as your berth is not yet available.You are on a SW’ly heading，preparing to drop anchor，when you observe the range lights as shown on your starboard beam.You should（）.

A.not drop the anchor until the lights are in line
B.ensure your ship will NOT block the channel or obstruct the range while at anchor
C.drop the anchor immediately as the range lights mark an area free of obstructions
D.drop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor

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

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

5.單項選擇題You are mooring to a buoy．You should approach the buoy with the current from（）.

A.ahead
B.broad on the bow
C.abeam
D.astern

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

A.Pay out all of the cable before setting up on the brake to insure the anchors dig in and hold
B.For a mud，mud and clay，or sandy bottom pay out a scope of 5 to 7 times the depth before setting up on the brake
C.Use one or both anchors with a scope of twice the depth before setting the brake
D.Drop the anchor to short stay and hold that scope

8.單項選擇題You are landing a single-screw vessel，with a right-hand propeller，starboard side to the dock.When you have approached the berth and back the engine，you would expect the vessel to （）.

A.Lose headway without swinging
B.Turn her bow toward the dock
C.Turn her bow away from the dock
D.Head into the wind，regardless of the side the wind is on

9.單項選擇題What effect is achieved from soaking an anchor（）．

A.It allows the bottom soil to consolidate
B.It gives the palms time to trip the anchor
C.It stabilizes the mooring system
D.It lubricates the anchor for better tripping

10.單項選擇題When turning a ship in restricted space with a strong wind，it is normally best to（）.

A.Go ahead on both engines with the rudder hard to one side，if on a twin-screw vessel
B.Back down with the rudder hard to one side，if on a single-screw vessel
C.Take advantage of the tendency to back to port，if on a twin-screw vessel
D.Turn so that the tendency to back into the wind can be used，if on a single-screw vessel

最新試題

What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions（）.

題型：單項選擇題

When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating （）.

題型：單項選擇題

You are entering port and have been instructed to anchor，as your berth is not yet available.You are on a SW’ly heading，preparing to drop anchor，when you observe the range lights as shown on your starboard beam.You should（）.

題型：單項選擇題

You are docking a vessel in a slip which has its entrance athwart the tide.You land the ship across the end of the pier，stemming the tide，preparatory to breaking the ship around the corner.You have one tug to assist．Where would you generally tie up the tug（）.

題型：單項選擇題

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

題型：單項選擇題

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A ship will always want to settle into a position where（）.

題型：單項選擇題

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題型：單項選擇題

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

題型：單項選擇題

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

題型：單項選擇題