單項(xiàng)選擇題In order for a vessel to be engaged in fishing she must be().

A.underway
B.using gear which extends more than 50 meters outboard
C.using a seine of some type
D.using gear which restricts her maneuverability


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1.單項(xiàng)選擇題In ballasting to survival draft,while in transit,due to extreme wind and wave loads,thrusters or propulsion,if available,should be used to().

A.reduce windward mooring tensions
B.maintain vessel heading
C.maximize accelerations
D.increase speed of advance

2.單項(xiàng)選擇題In a following sea,a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original course,you should().

A.use more right rudder
B.use more left rudder
C.increase speed
D.decrease speed

3.單項(xiàng)選擇題If you are the stand-on vessel in a crossing situation,you may take action to avoid collision by your maneuver alone. When may this action be taken?().

A.At any time you feel it is appropriate
B.Only when you have reached extremis
C.When you determine that your present course will cross ahead of the other vessel
D.When it becomes apparent to you that the give-way vessel is not taking appropriate action

4.單項(xiàng)選擇題If the towline parts,you should().

A.start towing by pushing ahead
B.abandon the towing vessel
C.retrieve the tow bridle
D.relieve strain on the retrieving line

5.單項(xiàng)選擇題If the towing bridle legs are not of equal length().

A.excessive strain is placed on the shorter leg
B.the shorter leg may fail
C.the longer leg is slack
D.All of the above

最新試題

The distance that a vessel travels from the time that the order to put engines full astern until the vessel is dead in the water is known as().

題型:?jiǎn)雾?xiàng)選擇題

In towing it is desirable for the tug and the vessel to ride wave crests simultaneously because().

題型:?jiǎn)雾?xiàng)選擇題

The condition where a ship on the end of a tow line is riding a wave crest at the same time as its tug rides a wave crest is known as riding in().

題型:?jiǎn)雾?xiàng)選擇題

For the deepest water when rounding a bend in a river,you should navigate your vessel().

題型:?jiǎn)雾?xiàng)選擇題

A vessel which through some exceptional circumstance is unable to maneuver as required by these Rules and is therefore unable to keep out of the way of another vessel is called().

題型:?jiǎn)雾?xiàng)選擇題

The effect known as bank cushion acts in which of the following ways on a single-screw vessel proceeding along a narrow channel? ()

題型:?jiǎn)雾?xiàng)選擇題

If you are the stand-on vessel in a crossing situation,you may take action to avoid collision by your maneuver alone. When may this action be taken?().

題型:?jiǎn)雾?xiàng)選擇題

The best method to secure a tow line to a cleat is to().

題型:?jiǎn)雾?xiàng)選擇題

In twin-screw engine installations while going ahead,maneuvering qualities are most effective when the tops of the propeller blades both turn().

題型:?jiǎn)雾?xiàng)選擇題

A vessel is equipped with a single right-handed screw. With rudder amidships and calm wind,the vessel will most likely back().

題型:?jiǎn)雾?xiàng)選擇題