A.amend B.repair C.improve D.clear
单项选择题All removals to be reassembled in order()of repairs.
A.upon commencement B.on completion C.before ending D.after beginning
单项选择题After riveting is completed,the joints on the shell of a vessel are generally made watertight by().
A.faying B.caulking C.felt or canvas packing D.red lead
单项选择题A special device that,when fitted into the rotary table,transmits torque to the kelly and simultaneously permits vertical movement of the kelly to make the hole is called a().
A.master bushing B.kelly slips C.kelly bushing D.rotary bushing
单项选择题A self-contained breathing apparatus is used to().
A.make underwater repairs to barges B.determine if the air in a tank is safe for men C.enter areas that may contain dangerous fumes or lack oxygen D.resuscitate an unconscious person
单项选择题A damaged T-Boat that is unable to meet the requirementsof its Certificate of Inspection but is able to travel to a shipyard under its own power should().
A.make the trip only after obtaining a Permit to Proceed to Another Port for Repair,Form CG-948 B.get underway as soon as possible C.hire a tug and pilot instead D.request an Expiration Certificate if the vessel displays a tendency to sink