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 document on a vessel，annually endorsed by an American Bureau of Shipping surveyor，is called the（）.
In which case is the IOPP Certificate of an inspected vessel NOT invalidated?（）
At（）an occasional survey has been carried out．
The angle between the flukes and the shank of an anchor is called the（）.
Chafing gear（）.
Chain slings are suitable for heavy slender articles，such as（）.
Periodic surveys to renew the load line assignment for a ship must be made at intervals not exceeding（）.
Cracks may be prevented from developing at the corners of welded plating inserts by（）.
Please arrange（）a surveyor to inspect the damaged bulkhead．
Prior to burning or welding on a fuel tank on a ship，regulations require that an inspection be made. An entry in the unofficial logbook is required if this inspection is made by（）.