单项选择题
How is the size of chain determined（）.
A.Length of link in inches B.Diameter of metal in link in inches or centimeters C.Links per fathom D.Weight of stud cable in pounds
单项选择题 How are riveted lap joints made watertight（）.
单项选择题 Coiling new rope against the lay，bringing the lower end up through the center of the coil，then coiling with the lay，in order to remove the kinks，is known as（）.
单项选择题 Chafing gear is used to（）.
