更多"All wire rope used in shipboard car"的相关试题:
[单项选择]Where are the test certificates,for wire rope used as cargo runners,and loose gear certificates usually maintained? ()
A. With the Cargo Gear Register on the ship
B. In the Official Log
C. At the Coast Guard Marine Safety Office with the vessel's inspection records
D. At the central records center of the agency testing the cargo gear
[单项选择]A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?()
A. Factor of safety
B. Number of wires per strand
C. Number of strands per wire rope
D. Number of wires in the core
[单项选择]On your vessel,a wire rope for the cargo gear shows signs of excessive wear and must be replaced. In ordering a new wire for this 10-ton boom,what safety factor should you use?()
A. Three
B. Five
C. Six
D. Seven
[单项选择]Which is normally used to hold wire rope for splicing().
A. Come along
B. Jigger
C. Rigger's screw
D. Sealing clamp
[单项选择]A deck fitting, used to secure line or wire rope, consisting of a single body with two protruding horns is called a().
A. bitt
B. bollard
C. capstan
D. cleat
[单项选择]A deck fitting,used to secure line or wire rope,consisting of a single body with two protruding horns is called a().
A. bitt
B. bollard
C. capstan
D. cleat
[单项选择]Blocks and falls used as lifeboat gear must be designed with a minimum safety factor of().
A. 4,based on the breaking strength
B. 5,based on the maximum allowable stress
C. 6,based on the maximum working load
D. 8,based on the normal working load
[单项选择]What is the accepted standard for wire rope falls used in connection with the lifeboat gear?()
A. Six by seven galvanized wire rope
B. Six by twenty-four improved plow steel wire rope
C. Six by thirty-seven preformed fiber-core wire rope
D. Six by nineteen regular-lay filler wire rope
[单项选择]If kinking results while wire rope is being coiled clockwise,you should().
A. coil it counterclockwise
B. not coil it
C. take a turn under
D. twist out the kinks under a strain
[单项选择]In a combination chain and wire rope mooring system,the anchor chain is deployed at the anchor end of the line to().
A. increase fatigue life of the system
B. reduce the time to retrieve the line
C. increase the holding power
D. reduce the catenary
[单项选择]The only wire rope termination which may be made in the field is().
A. swaged socket
B. thimbled mechanical splice
C. hand splice
D. spelter poured and resin sockets
[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]A 6x19 wire rope would be().
A. 6 inches in diameter and 19 fathoms long
B. 6 inches in circumference with 19 strands
C. 6 strands with 19 wires in each strand
D. 19 strands with 6 wires in each strand
[单项选择]Which will cause a wire rope to fail().
A. Using a medium graphite grease as a lubricant
B. Operating a winch too slow
C. Using a sheave with an undersized throat
D. A sheave diameter of 24 times the wire's diameter