更多"A new coil of nylon line should be "的相关试题:
[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]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]The disadvantage of using three strand nylon line for towing is its（）.
A. inherent weakness
B. tendency to rot if left damp
C. danger to crew if it parts
D. strength and shock absorbing abilities
[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]The crank-room cover should not be opened until at least （） minutes after the engine stops.
A. 10
B. 15
C. 20
D. 30
[单项选择]In order to correctly open a new coil of manila line，you should（）.
A. pull the tagged end from the top of the coil
B. pull the tagged end through the eye of the coil
C. secure the outside end and unroll the coil
D. unreel the coil from a spool
[单项选择]The new assembly line having been adopted, the factory produced（）cars in as the year before.
A. as twice many
B. twice many as
C. twice as many
D. as many as twice
[单项选择]Escherichia coil是（）
A. 枯草芽孢杆菌
B. 大肠杆菌
C. 金黄色葡萄球菌
D. 放线菌
[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]The coil of wire rotating in the magnetic field produces the（）.
A. voltage
B. current
C. power
D. frequency
[单项选择]The boiler water alkalinity in a coil-type auxiliary boiler should be maintained at the pH recommended by the boiler manufacturer to（）
A. precipitate silica from solution
B. reduce corrosion in the heating coil
C. prevent clogging and erosion in the coil
D. maintain zero water hardness
