默认题库 - 大风浪中航行

单选题

A vessel with a large GM will（）.

A. have more resistance to listing in case of damage
B. have less tendency to have synchronous rolling
C. be less likely to have cargo shift
D. ride more comfortably

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单选题

FLOATING，CAUSED BY WINDS AND CURRENT WITH A DETERMINABLE DIRECTION defines（）.

A. Floating
B. Sailing
C. Drifting
D. Running into danger

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单选题

If your vessel has a GM of one foot and a breadth of 50 feet，what will be your full rolling period? （）

A. 11 seconds
B. 15 seconds
C. 20 seconds
D. 22 second

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单选题

In order to benefit from the use of storm oil in heavy seas，the storm oil should be spread （）.

A. around the rudder and screws
B. completely around the vessel
C. to leeward of the vessel
D. to windward of the vessel

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单选题

Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color? （）

A. Greenish
Bluish
C. Grey
D. Grey-white

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单选题

One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by （）.

A. installing rat guards on the mooring lines when in port
B. keeping foods protected and avoiding the accumulation of garbage
C. eliminating possible living spaces for rats when the ship is constructed
D. trapping and/or poisoning the rat

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单选题

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（）.

A. windward side
B. leeward side
C. safe semicircle
D. dangerous semicircle

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单选题

The angular movement of a vessel about a horizontal line drawn from its bow to its stern is （）.

A. pitching
B. rolling
C. heaving
D. swaying

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单选题

The distance between rivets in a row is known as the（）.

A. arm
B. pitch
C. gage
D. rivet distance

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单选题

The pitch of a propeller is a measure of the（）.

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 sli

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