A.necessity
B.responsibility
C.requirement
D.stipulation
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A.to windward should be opened and the ones to leeward should be closed
B.to leeward should be opened and the ones to windward should be closed
C.should be opened
D.should be closed
A.squaring the corners
B.rounding the corners
C.plug welding the corners
D.slot welding the corners
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
最新試題
Periodic surveys to renew the load line assignment for a ship must be made at intervals not exceeding（）.
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（）.
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（）.
I saw the cargo surveyor（）the cargo on deck just a minute ago．
The anchors on the bow are known as（）.
Let’s submit the case（） the cargo surveyor.
The angle between the flukes and the shank of an anchor is called the（）.
Cracks may be prevented from developing at the corners of welded plating inserts by（）.
During fueling，all doors，hatches，and ports（）.
Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.