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
In which case is the IOPP Certificate of an inspected vessel NOT invalidated?（）
The conclusion is（）the said ship is fit to continue to sail.
Cracks may be prevented from developing at the corners of welded plating inserts by（）.
Please arrange the survey（）early．
The end of the joint with the exterior threads is called the（）.
The burden of proving unseaworthiness is upon those who（）it.
Tensile stress is a result of two forces acting in（）.
I saw the cargo surveyor（）the cargo on deck just a minute ago．
At least one reinspection shall be made on each vessel holding a Certificate of Inspection valid for two years. This inspection shall be held between the tenth and fourteenth months of the duration period of the certificate and shall be（）.
Before welding can be done in a tank that has carried petroleum products，a certificate must be obtained from（）.