A.butted joint B.lap joint C.strap joint D.stringer joint
单项选择题The system of valves and cargo lines in the bottom piping network of a tanker that connects one section of cargo tanks to another section is called a().
A.come-along B.crossover C.manifold D.runaround
单项选择题The strictest load line regulations apply to().
A.gas carriers B.freighters (break-bulk) C.passenger ships D.tankers
单项选择题The shearing stresses on a ship’s structure are usually greatest at().
A.the bow B.the stern C.midships D.the ship's quarter-length points
单项选择题The safety stopper that prevents the anchor cable from running free if the cable jumps the wildcat is the().
A.riding pawl B.devil's claw C.buckler plate D.spill pipe
单项选择题The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is().
A.right at the bow B.one-third the length of the vessel from the bow C.one-half the length of the vessel from the bow D.two-thirds the length of the vessel from the bow