更多"An ocean tow is sinking in deep wat"的相关试题:
[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]In securing deck loads for an ocean tow，drill pipe should be（）.
A. galvanized to protect against corrosion
B. held in place with heavy materials such as spare pendant wire
C. limited to no more than five courses high
D. provided with bulwarks at both ends of their bays
[单项选择]Before leaving port on an ocean tow，a tug captain should assure himself of all the following EXCEPT（）.
A. the towing hawser can be released quickly in an emergency
B. the correct navigation lights are rigged and operable on the tug and tow
C. an insurance underwriter has prepared a pre-sailing survey
D. a pick-up wire has been rigged on the tow in case of a breakaway
[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 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]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]The use of sinking and dispersing chemical agents for removal of surface oil is（）.
A. the most common method used in the United States
B. too expensive for common use
C. generally safe to sea life
D. authorized only with prior approval of the Federal On-Scene Coordinator
[单项选择]Your ship is sinking rapidly. A container containing an inflatable liferaft has bobbed to the surface upon functioning of the hydrostatic release. Which action should you take?（）.
A. Cut the painter line so it will not pull the liferaft container down
B. Swim away from the container so you will not be in danger as it goes down
C. Take no action because the painter will cause the liferaft to inflate and open the container
D. Manually open the container and inflate the liferaft with the hand pump
[单项选择]I am ready（）tow line.
A. cast
B. to cast of
C. cast off
D. to cast off
[单项选择]A semisubmersible rig under tow should be ballasted down if（）.
A. motion begins to be excessive
B. water begins to break over the pontoons
C. period of roll exceeds 12 seconds
D. forward progress is halted by head wind
[单项选择]The use of sinking and dispersing agents for the removal of surface oil is （）.
A. the most common method used in the United States
B. too expensive for common use
C. generally safe to sea life
D. generally harmful to sea life
[单项选择]A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started? （）
A. When the towing vessel enters the fog
B. When the drilling rig enters the fog
C. When the towing vessel can no longer be seen from the rig
D. Immediately
[单项选择]A towing vessel and her tow are severely restricted in their ability to change course. When making way，the towing vessel will show ONLY（）.
A. the masthead lights for a towing vessel
B. the lights for a vessel restricted in her ability to maneuver
C. sidelights，stern light，and towing light
D. All of the above
[单项选择]When steering a tow downstream around the shape of a sand bar，and staying on the proper side of the buoys，an operator should be cautious of（）.
A. eddies under the bar
B. swift current under the bar causing loss of control
C. cross-currents pushing the tow away from the bar
D. cross-currents pushing the tow into the bar
