單項(xiàng)選擇題The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a().

A.grip joint
B.strap joint
C.thread joint
D.lap joint


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1.單項(xiàng)選擇題The type of joint formed when a third small plate is riveted over two plates butted together is called a().

A.butted joint
B.lap joint
C.strap joint
D.stringer joint

3.單項(xiàng)選擇題The strictest load line regulations apply to().

A.gas carriers
B.freighters (break-bulk)
C.passenger ships
D.tankers

4.單項(xiàng)選擇題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

5.單項(xiàng)選擇題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