A.prevent the boom from being raised too high
B.prevent the boom from swinging
C.support the boom when not in use
D.prevent the boom from being lowered
您可能感興趣的試卷
你可能感興趣的試題
A.the three month period immediately following the certificate's anniversary date
B.the three month period immediately preceding the certificate's anniversary date
C.three months either way of the certificate's anniversary date
D.the three month period centered on the certificate's anniversary date
A.holding angle
B.fleet angle
C.fluke angle
D.shank angle
A.burial angle
B.penetration angle
C.fluke angle
D.holding angle
A.bower anchors
B.kedge anchors
C.spare anchors
D.stream anchors
A.relayed
B.delayed
C.conveyed
D.surveyed
最新試題
During fueling,all doors,hatches,and ports().
The bottom of the mast rests on a part of the keel called the mast().
Should the vessel have no deratisation certificate at the time of her delivery,she()be held to be unseaworthy.
Tensile stress is a result of two forces acting in().
In which case is the IOPP Certificate of an inspected vessel NOT invalidated?()
Chain slings are suitable for heavy slender articles,such as().
Before welding in a tank that has carried petroleum products,the tank must be certified by ().
The end of the joint with the exterior threads is called the().
The smallest size of flaw that can be detected on a radiograph examination of a weld will be indicated by the().
Let’s submit the case() the cargo surveyor.