单项选择题
The objective of shoring a damaged bulkhead is to().
A.force the warped,bulged,or deformed sections back into place
B.support and hold the area in the damaged position
C.withstand subsequent additional damage
D.make a watertight seal at the damaged area
相关考题
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单项选择题
The main function of the drawworks on a ship is to().
A.transport tubulars from the pipe racks to the derrick floor
B.maintain constant tension on the marine riser
C.store and secure the excess drill line
D.lower and hoist the drill string into and out of the drilled hole -
单项选择题
The joint formed when two steel plates are placed end-to-end is called a().
A.bevel
B.seam
C.butt
D.bond -
单项选择题
The inner bottom is the().
A.tank top
B.compartment between the tank top and shell of the vessel
C.inner side of the vessel's shell
D.space between two transverse bottom frames
