A.squaring the corners
B.rounding the corners
C.plug welding the corners
D.slot welding the corners
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A.cast iron
B.forged steel
C.stainless steel
D.cast steel
A.timber or steel rails
B.locomotives or boilers
C.railway passenger coaches
D.motor vehicles
A.reduces and prevents corrosion of standing rigging
B.prevents corrosion of running rigging
C.reduces and prevents wear caused by the rubbing of one object against another
D.protects the body against extreme cold
A.the Coast Guard
B.the ABS
C.the shipyard fire department
D.a certified marine chemist
A.the customs
B.the Register Bureau of shipping
C.the shipyard fire department
D.a certified gas chemist
最新試題
The annual survey for endorsement of a Load Line Certificate must be held within（）.
The boom stops are installed on an offshore crane to（）.
At（）an occasional survey has been carried out．
Before welding in a tank that has carried petroleum products，the tank must be certified by （）.
The lines led forward from the bow and aft from the stern when a vessel is moored to the dock are（）.
Sometimes it is desirable to connect a member both by riveting and welding. Which statement is TRUE concerning this procedure? （）
Let’s submit the case（） the cargo surveyor.
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（）.
The document on a vessel，annually endorsed by an American Bureau of Shipping surveyor，is called the（）.
The burden of proving unseaworthiness is upon those who（）it.