更多"In securing deck loads for an ocean"的相关试题:
[单项选择]When hanging off drill pipe in emergency situations aboard a ship，the preferred location of the drill bit is（）.
A. on bottom with the full drill string in tension
B. one stand (approximately 93 feet) off bottom
C. no deeper than the shoe of the last casing set
D. as close to the surface as possible
[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]An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful. Which action should now be taken? （）
A. Abandon the towing vessel
B. Radio for emergency assistance
C. Slip the towline and allow it to run off the drum
D. Secure all watertight openings on the towing vessel
[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]A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a（n）（）.
A. Exemption space
B. Tonnage deck
C. Cofferdam
D. Tonnage opening
[单项选择]The（）is the intermediate deck between upper deck and the inside bottom of the vessel.
A. forcastle
B. tweendeck
C. hatches
D. peak tanks
[单项选择]To shore up the main deck for the stowage of deck cargo means to（）.
A. weld pad eyes on deck in proper position to secure the cargo
B. strengthen the main deck by placing pillars underneath it in the tween-decks
C. distribute the weight of the cargo by placing fore-and-aft planks on the main deck
D. package the cargo in wooden crates so it will not damage the deck
[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]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
