单选题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 shipB In the Official LogC At the Coast Guard Marine Safety Office with the vessel's inspection

Which molten substance is poured into the basket of a wire rope socket being fitted to the end of a wire rope ________．

A.Babbitt

B.Bronze

C.Lead

D.Zinc

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

Which statement is TRUE about the use of a“gob rope”________．

A.The gob rope is a mooring line for tying up lighters for working cargo alongside a vessel anchored in an open roadstead

B.The gob rope is used to secure the towline aft over the centerline of a tug

C.The gob rope is a line hung over a vessel's side to assist in boarding

D.The gob rope is a rope used in mooring a vessel to a buoy

Galvanizing would be suitable for protecting wire rope which is used for ______.

A.cargo runners

B.stays

C.topping lifts

D.All of the above

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

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

Which wire rope purchases may be used with a 30-ton pedestal crane ________．

A.Hoist

B.Luff

C.Rider block

D.All of the above