A.deadweight scale B.deck capacity plan C.cubic capacity tables D.general arrangement plan
单项选择题The Tonnage Certificate indicates().
A.deadweight tons B.displacement tons C.net tons D.gross tons
单项选择题The term strake is used in reference to().
A.rudder mountings B.anchor gear C.hull plating D.vessel framing
单项选择题The strake on each side of the keel is called a().
A.sheer strake B.gatewood strake C.insulation strake D.garboard strake
单项选择题The riding pawl is().
A.a safety interlock in a cargo winch that prevents the runner from overspeeding B.a stopper that prevents the anchor cable from running free if the cable jumps the wildcat C.the device that locks the deck lashings of the Peck and Hale system D.the lug that rides on the eccentric rib and engages the locking ring on the windlass
单项选择题The purpose of cant frames in steel vessels is().
A.To support the overhang of the stern B.To strengthen the plating against the pounding of the sea C.To add strength to the deck beams which support the weather deck D.To support the plating of a cylindrical tank