更多"An ocean towing bridle should（）."的相关试题:
[单项选择]An ocean towing bridle whose legs are of equal length，but too short，may（）.
A. fail to provide spring in the hawser
B. cause unequal distribution of the load to one leg
C. cause the bridle legs to jump clear of the chocks or fairleads
D. None of the above
[单项选择]The biggest problem encountered when towing bridle legs are too short is（）.
A. retrieval
B. adjusting tension
C. excessive strain
D. hookup to main towline
[单项选择]The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to（）.
A. one-half the SWL of the main towing hawser
B. three-fourths the SWL of the main towing hawser
C. that of the main towing hawser
D. twice that of the main towing hawser
[单项选择]If the towing bridle legs are not of equal length（）.
A. excessive strain is placed on the shorter leg
B. the shorter leg may fail
C. the longer leg is slack
D. All of the above
[单项选择]On a long ocean tow，the bridle should be made up of two equal lengths of（）.
A. chain
B. wire
C. nylon
D. manila
[单项选择]A towing vessel should be on the crest of a wave at the same time as its tow and in the trough at the same time. The term used to describe this is（）.
A. tow strain
B. catenary length
C. being in step
D. Williamson's Tow
[单项选择]A bridle for an ocean tow consists of（）.
A. two chains of equal length
B. a single nylon pendant rove through a heavy ring free to move on the pendant
C. two long legs of wire rope shackled to a fishplate
D. a single length of heavy chain with both ends secured on deck to welded pad eyes
[单项选择]To clean a dirty fiber towing hawser used in ocean towing，you should（）.
A. use lye or other mild detergent
B. wash it with fresh water，dry and store it
C. wash it with salt water
D. use cleaning fluid on nylon，dacron and other synthetic lines
[单项选择]A chain bridle is used when towing astern because it（）.
A. Is easy to connect
B. Provides an effective catenary and absorbs shock due to its weight
C. Makes rigging a swivel unnecessary
D. Prevents the tow from yawing by the drag of the chains in a seaway
[单项选择]A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain （）.
A. is more flexible and has the ability to absorb shock because of its weight
B. is less subject to wear and damage from abrasion
C. requires little maintenance
D. All of the above
[单项选择]When towing astern what equipment should be stowed ready for use near the towline?（）
A. First aid kit
B. Axe or cutting torch
C. Fire extinguisher
D. Chafing gear
[单项选择]A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing? （）
A. Length of the towline
B. Height of the towline connection
C. Longitudinal position of the towline connection
D. Direction of opposing force
[单项选择]To reduce stress on the towing hawser when towing astern (ocean tow)，the hawser should be （）.
A. secured to the aftermost fitting on the towing vessel
B. just touching the water
C. underwater
D. as short as possible
[单项选择]A towing light（）.
A. flashes at regular intervals of 50-70 flashes per minute
B. is yellow in color
C. shows an unbroken light over an arc of the horizon of not less than 180°nor more than 225°
D. All of the above
