更多"Nylon rope is often used in the mak"的相关试题:
[单项选择]An advantage of nylon rope over manila rope is that nylon rope（）.
A. can be used in conjunction with wire or spring-lay rope
B. can be stored on decks exposed to sunlight
C. can hold a load even when a considerable amount of the yarns have been abraded
D. gives audible warning of overstress whereas manila does not
[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]All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the（）.
A. date of the test
B. load at which a test sample broke
C. name of the vessel
D. number of strands and of wires in each strand
[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]An advantage of nylon rope over manila is that nylon rope（）.
A. can be used in conjunction with wire or spring-lay rope
B. can be stored on decks exposed to sunlight
C. can hold a load even when a considerable amount of the yarns have been abraded
D. gives audible warning of overstress whereas manila does not
[单项选择]Copper is often used as an electrical conductor because it （）.
A. has high resistance at low temperatures
B. has a highly polished surface
C. is able to pass current with little opposition
D. holds insulation together well
[单项选择]Gear-type flexible couplings are often used in diesel engine drive trains because they（）
A. require no lubrication under normal operating conditions
B. compensate for gross misalignment in the drive train
C. are able to transmit high torque ,even where slight misalignment exists
D. will rapidly disconnect the engine from the line shaft
[单项选择]In motor ship, （） is often used to recover some of the heat carried in the exhaust gases from the main engine.
A. an diesel oil heater
B. a waste heat boiler
C. a fresh water generator
D. all the above
[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]The rope which is rove from the truck to be used with a bos’n chair is called a（）.
A. gantline
B. life line
C. strop
D. whip
[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]Stuffer-braid rope has（）.
A. a yarn core
B. no core
C. three strands
D. 12 threads
[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
