默认题库 - 船舶索具及保养

单选题

The correct way to make an eye in a wire rope with clips is to place the clips with the（）.

A. first and third U-bolts on the bitter end and the second U-bolt on the standing part
B. first and third U-bolts on the standing part and the second U-bolt on the bitter end
C. U-bolts of all clips on the bitter end
D. U-bolts of all clips on the standing part

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单选题

The knot used to join two lines of different diameter is a（）.

A. square knot
B. carrick bend
C. becket bend
D. sheepshank

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单选题

The knot used to join two lines or two large hawsers for towing is called a（）.

A. square knot
B. carrick bend
C. sheet bend
D. bowline

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单选题

The latch of a safety hook（）.

A. increases the strength of the hook
B. prevents the sling ring from coming out of the hook if the strain is abruptly eased
C. prevents the sling ring from coming out of the hook if there is a strain on the sling ring
D. All of the above

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单选题

The line with the most stretch is（）.

A. manila
B. nylon
C. polypropylene
D. dacro

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单选题

The spray of water in low-velocity fog will have（）.

A. greater range than high-velocity fog
B. lesser range than high-velocity fog
C. about the same range as high-velocity fog
D. greater range than a solid stream

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单选题

Towlines should be inspected for chafing where the towline（）.

A. passes over the stern of the towing vessel
B. passes through chocks
C. is attached to the disabled vessel
D. All of the above

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单选题

Two mooring lines may be placed on the same bollard and either one cast off first if（）.

A. the eye of the second line is dipped
B. the mooring lines are doubled
C. the bollard has two horns
D. one of the lines is a breast line

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单选题

Under identical load conditions，nylon，when compared with natural fiber line，will stretch（）.

A. less and have less strength
B. more and have less strength
C. more and have greater strength
D. less and have greater strength

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单选题

What can be used to measure the percentage of oxygen inside a chain locker?（）

A. Flame safety lamp
B. Combustible gas indicator
C. Oxygen indicator
D. H<sub>2</sub>S meter

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