A.opposite directions on the same line，tending to pull the material apart
B.opposite directions on the same line，tending to compress the object
C.opposite directions along parallel lines
D.the same direction along parallel lines
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A.Tearing through the member is more likely in this type connection
B.The weld may be broken by the stresses caused by riveting
C.The weld increases the tensile stress on the rivet heads
D.The welding must be completed before the riveting commences
A.shall
B.should
C.may
D.would
A.a marine chemist
B.the Officer in Charge，Marine Inspection
C.the Master or person in charge of the ship
D.the National Fire Protection Association
A.to be carried out
B.carry out
C.be carried out
D.will carry out
A.of
B.for
C.with
D.in
最新試題
Before welding in a tank that has carried petroleum products，the tank must be certified by （）.
The conclusion is（）the said ship is fit to continue to sail.
The anchors on the bow are known as（）.
The lines led forward from the bow and aft from the stern when a vessel is moored to the dock are（）.
Chain slings are suitable for heavy slender articles，such as（）.
Tensile stress is a result of two forces acting in（）.
At（）an occasional survey has been carried out．
The angle between the flukes and the shank of an anchor is called the（）.
During fueling，all doors，hatches，and ports（）.
I saw the cargo surveyor（）the cargo on deck just a minute ago．