默认题库 - 沿海与大洋航行

单选题

Mariners proceeding across the main routes are（）to do so at as wide an angle as practicable.

A. recommended
B. reported
C. applied
D. complied

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单选题

On a gnomonic chart，a great circle track between Los Angeles and Brisbane will appear as a （）.

A. loxodromic curve
B. curved line concave to the equator
C. straight line
D. spiral approaching the poles as a limit

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多选题

恢复几何尺寸的修理方法有：（）。

A. 堆焊
B. 镶套
C. 金属喷镀
D. 镀铬

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单选题

Every vessel should at all times proceed at a safe speed. Safe speed is defined as that speed where（）.

A. you can stop within your visibility range
B. you can take proper and effective action to avoid collision
C. you are traveling slower than surrounding vessels
D. no wake comes from your vessel

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单选题

When steering a tow downstream around the shape of a sand bar，and staying on the proper side of the buoys，an operator should be cautious of（）.

A. eddies under the bar
B. swift current under the bar causing loss of control
C. cross-currents pushing the tow away from the bar
D. cross-currents pushing the tow into the bar

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单选题

When towing in an open seaway，it is important to use a towing line（）.

A. made only of wire rope，due to possible weather conditions
B. that will have the tow on a crest while your vessel is in a trough
C. that will have the tow on a crest while your vessel is on a crest
D. with little dip to gain maximum control of the tow

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单选题

When underway and proceeding ahead，as the speed increases，the pivot point tends to（）.

A. move aft
B. move forward
C. move lower
D. remain stationary

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判断题

精神症状是异常的精神活动，是大脑功能障碍的表现。

A. 正确
B. 错误

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单选题

You are making tow.A loaded，open-hopper barge with independent tanks has placards，with alternating red and white quadrants，located at each side and end.You inspect the barge and find slight traces of water in the wing voids due to condensation.What（）.

A. Refuse to accept the barge until all wing voids are dry
B. Accept the barge and when weather conditions permit run with the wing voids open to ventilate the spaces
C. Accept the barge and periodically check the wing voids
D. Return the barge to the fleet and depart without the barge

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单选题

As you approach Kate Aubrey Bar Light (mile 788 AHP)，yoursearchlight will show what type of marking at the light? （）

A. Green square
B. Red and green banded square
C. Green triangle
D. Green diamond

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