單項選擇題
A.To act as ballast for light vessels B.To provide ventilation and drainage for cargo C.To secure the tarpaulins in place D.To support weakened bulkheads
A.Chain to chain connections B.Chain to anchor connections C.Kenter link to anchor connections D.Wire rope connections
A.Downhaul B.Backstay C.Halyard D.Sheet
A.Distance line B.Gantline C.Heaving line D.Tag line
A.The bottom block touches the top block B.The line has jumped the sheaves C.There are turns in the fall D.You have two blocks
A.strips of burlap B.heavy paper C.dunnage boards D.strips of rope yarn
A.the cargo fall B.The cargo hoisting wire rope C.the topping lift D.the cargo whip
A.Nylon B.Dacron C.Manila D.Sisal
A.forming temporary eyes in lines B.joining two lines of equal size C.keeping line from unlaying or fraying D.joining two lines of different size
A.gantline B.life line C.strop D.whip
A.join two lines of different sizes B.join two lines of equal sizes C.add strength to a weak spot in a line D.act as a stopper to transfer a line under strain
微信掃一掃關注公眾號后聯(lián)系客服
微信掃碼免費搜題
