A.timber or steel rails
B.locomotives or boilers
C.railway passenger coaches
D.motor vehicles
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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
A.essential
B.important
C.good
D.a better operation
A.at the discretion of the inspector，but in no greater detail than required for original certification
B.at the discretion of the inspector，but in no lesser detail than required for original certification
C.generally similar in scope to the inspection required for certification，but in less detail
D.equivalent to the inspection required for certification
最新試題
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? （）
In which case is the IOPP Certificate of an inspected vessel NOT invalidated?（）
During fueling，all doors，hatches，and ports（）.
In order to withstand fluid head pressure on a ship，stiffeners are often attached to the bulkhead（）.
The burden of proving unseaworthiness is upon those who（）it.
Please arrange（）a surveyor to inspect the damaged bulkhead．
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 end of the joint with the exterior threads is called the（）.
Before welding can be done in a tank that has carried petroleum products，a certificate must be obtained from（）.