更多"The disadvantage of using three str"的相关试题:
[单项选择]Compared to manila line，size for size，nylon line（）.
A. has less strength than manila line
B. has more strength than manila line
C. is equivalent to manila line
D. will rot quicker than manila line
[单项选择]Nylon line is NOT suitable for（）.
A. towing
B. lashings
C. stoppers
D. mooring lines
[单项选择]Which statement is TRUE about nylon line?（）
A. Manila line will usually last longer than nylon line
B. Nylon line is excellent for use in alongside towing
C. A normal safe working load will stretch nylon line 50%
D. Nylon stoppers should be used with nylon line
[单项选择]Nylon line can be dangerous because it（）.
A. breaks down when wet
B. kinks be discharged
C. is not elastic
D. stretches
[单项选择]Nylon line is better suited than manila for（）.
A. towing alongside
B. towing astern
C. holding knots and splices
D. resisting damage from chemicals
[单项选择]When paying out nylon line from around the bitts（）.
A. stand clear of the bitts and use two or more round turns under your figure eights
B. you can surge the line even with a single turn
C. no extra turns are necessary since nylon has a high coefficient of friction
D. stand in the bight of the line
[单项选择]A new coil of nylon line should be opened by（）.
A. pulling the end up through the eye of the coil
B. taking a strain on both ends
C. uncoiling from the outside with the coil standing on end
D. unreeling from a spool
[单项选择]The disadvantage of using a heaving line to pass a towline is that（）.
A. it increases the likelihood of collision between the towing vessel and the disabled vessel
B. recreational boaters tend to make the heaving line fast to the towed vessel as if it were the towline
C. the monkey fist may injure someone
D. it may reduce the catenary and increase yawing
[单项选择]When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.
A. The objects lie in a straight line
B. The vessel is inside of a triangle formed by the objects
C. The vessel is outside of a triangle formed by the objects
D. A circle will pass through your position and the three objects
[单项选择]A tug is towing three manned barges in line in fog. The first vessel of the tow should sound （）.
A. no fog signal
B. one short blast
C. one prolonged and three short blasts
D. one prolonged，one short，and one prolonged blast
[单项选择]Splices made in nylon should（）.
A. be long splices only
B. have extra tucks taken
C. be short splices only
D. be around a thimble
[单项选择]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
[单项选择]It is not advisable to use nylon for alongside towing because it（）.
A. is too expensive for everyday towing usage
B. binds on the cleats
C. parts too readily
D. strethes too much
[单项选择]It is NOT advisable to use nylon for alongside towing because it（）.
A. stretches too much
B. is too difficult to make fast
C. parts too readily
D. is too susceptible to mildew
[单项选择]An advantage of nylon rope over manila is that nylon rope（）.
A. can be used in conjunction with wire or spring-lay rope
B. can be stored on decks exposed to sunlight
C. can hold a load even when a considerable amount of the yarns have been abraded
D. gives audible warning of overstress whereas manila does not
