更多"The choice of length of tow bridle "的相关试题:
[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]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]A tow bridle is attached to the main tow hawser at the（）.
A. bight ring
B. tow hook
C. fishplate
D. swivel
[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]When connecting the tow bridle to a tug, the end of the bridle is passed with a（）.
A. heaving line
B. shot line
C. high line
D. messenger line
[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]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]If a vessel under tow starts jumping on its tow line，the most appropriate action to alleviate the condition is to（）.
A. change course
B. slow down
C. heave to
D. adjust tow line length
[单项选择]In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.
A. insure that the hawser leads directly aft as it passes over the stern of the towing vessel
B. increase the stability of the towing vessel by raising the hawser off the deck
C. reduce chafing of the towing hawser
D. prevent fouling of the hawser on deck gear located on the stern of the towing vessel
[单项选择]A tow that veers to the side on the end of the towline is said to（）.
A. yaw
B. surge
C. sway
D. swing
[单项选择]An ocean towing bridle should（）.
A. have equal legs of sufficient length
B. have a large angle between the legs
C. be formed on a bight of cable through a ring
D. never be made up of chain
[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]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]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]I am ready（）tow line.
A. cast
B. to cast of
C. cast off
D. to cast off
