單項(xiàng)選擇題The result of two forces acting in opposite directions and along parallel lines,is an example of what type of stress?()

A.Tensile
B.Compression
C.Shear
D.Strain


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1.單項(xiàng)選擇題The purpose of sheer in ship construction is to().

A.allow the ship to ride waves with drier decks
B.eliminate the need for butt straps
C.eliminate the need for margin plates
D.give greater strength at the deck edge

2.單項(xiàng)選擇題The procedure of strengthening damaged structures on a ship by using wood or steel is called().

A.bracing
B.battening
C.blocking
D.shoring

3.單項(xiàng)選擇題The pillar shape that gives the greatest strength for the least weight is the().

A.octagonal pillar
B.H Beam pillar
C.I Beam pillar
D.circular type pillar

4.單項(xiàng)選擇題The normal tendency for a loaded tanker is to().

A.hog
B.sag
C.have a permanent list
D.be very tender

5.單項(xiàng)選擇題The maximum theoretical stress that can be developed on a guy in a yard and stay rig is limited by the().

A.lifting capacity of the winch
B.location of the boom
C.position of the guy
D.weight of the load