A.18 months
B.2 years
C.3 years
D.5 years
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A.to
B.of
C.for
D.about
A.The required oily-water separator malfunctions
B.The ship is transferred to Liberian registry
C.An annual survey is conducted fifteen months after the date of certificate issuance
D.A 15 ppm oily-water separator is replaced by a 100 ppm oily-water separator
A.chemical and physical properties of the material
B.name of the alternative standard or specification
C.the ASTM or ABS specification the material approximates
D.manufacturer or origin of the material
A.penetrations
B.plating
C.framing
D.brackets
A.examine
B.to examine
C.being examined
D.examining
最新試題
Tensile stress is a result of two forces acting in（）.
The end of the joint with the exterior threads is called the（）.
Sometimes it is desirable to connect a member both by riveting and welding. Which statement is TRUE concerning this procedure? （）
Before welding in a tank that has carried petroleum products，the tank must be certified by （）.
The burden of proving unseaworthiness is upon those who（）it.
Before welding can be done in a tank that has carried petroleum products，a certificate must be obtained from（）.
The bottom of the mast rests on a part of the keel called the mast（）.
The lines led forward from the bow and aft from the stern when a vessel is moored to the dock are（）.
At the same time，it is（）for you to signify your acknowledgement of the responsibility for the collision by signing the copies of this letter hereto attached and to return me two copies in due time.
In which case is the IOPP Certificate of an inspected vessel NOT invalidated?（）