A.upon commencement
B.on completion
C.before ending
D.after beginning
您可能感興趣的試卷
你可能感興趣的試題
A.faying
B.caulking
C.felt or canvas packing
D.red lead
A.master bushing
B.kelly slips
C.kelly bushing
D.rotary bushing
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
A.make the trip only after obtaining a Permit to Proceed to Another Port for Repair，F(xiàn)orm 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
A.Illumination by flood lights
B.A quick flashing red light at each lower corner
C.A strobe light visible both up and downstream
D.Fixed amber lights under the extreme outer edges of the traveller
最新試題
If your radiotelephone fails while underway,（）.
Repair of structures on a ship in the vicinity of liquid mud handling areas presents what possible hazard?（）
Under the Vessel Bridge-to-Bridge Radiotelephone Act，failure of a vessel’s radiotelephone equipment（）.
Rivets are usually made of（）.
Records which must be retained on board after report of casualty to a vessel include the（）.
The “grip” of a joint represents the（）.
Puncture leaks in the lower tubes or bottom of an inflatable liferaft should FIRST be stopped by using（）.
No claim for constructive total loss based upon the cost of recovery and/or repair of the Vessel shall be recoverable hereunder unless such cost would exceed（）.
The Certificate of Inspection of a damaged tank barge has expired. What certificate authorizes the barge to move to a repair facility for repair and inspection?（）
Repairing damage to the hull at or above the waterline reduces the threat of（）.