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
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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
A.the Coast Guard
B.the ABS
C.the shipyard fire department
D.a certified marine chemist
最新試題
Hatch No.1 must be cleaned up to meet the（）of the cargo surveyors．
In which case is the IOPP Certificate of an inspected vessel NOT invalidated?（）
In the ship construction portfolio，materials which do not conform to ASTM or ABS specifications must also include the（）.
The document on a vessel，annually endorsed by an American Bureau of Shipping surveyor，is called the（）.
Periodic surveys to renew the load line assignment for a ship must be made at intervals not exceeding（）.
The anchors on the bow are known as（）.
Let’s submit the case（） the cargo surveyor.
In order to withstand fluid head pressure on a ship，stiffeners are often attached to the bulkhead（）.
Chafing gear（）.
The angle at which the anchor flukes penetrate the soil is the（）.