A.aid in the stripping and cleaning of cargo tanks
B.increase the rate of discharge of cargo
C.force toxic and explosive fumes from a cargo tank to vent to the outside atmosphere
D.lower the oxygen levels inside cargo tanks，making explosion nearly impossible
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A.with
B.has
C.have
D.had
A.Apply ice-cold compress and renew every 4 hours
B.Commence artificial respiration immediately
C.Give enema
D.Pass catheter into bladder
A.prevent engine overheating
B.have proper air/gasoline fuel mixture ratio
C.be liquid- and vapor-tight
D.supply sufficient air to the intake manifold
A.When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result
B.When going directly from full ahead to full astern，there is complete steering control
C.When the vessel has headway and the propeller is in neutral，there is no effect on rudder control
D.When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM
A.annular blowout preventer
B.annulus
C.accumulator
D.automatic choke
最新試題
A fishing vessel casualty must be reported to the Coast Guard if it involves（）.
A jack-up drilling rig being towed must（）.
A large basin cut into the shore，closed off by a caisson，and used for dry docking of ships is known as a（）.
How could lashing gear used aboard Ro-Ro vessels be stowed when not in use? （）
A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind （）.
After sending a message describing the symptoms of an ill crew member，you receive a message containing the code MRL. This means（）.
Cargo transfer operations on a tank vessel need NOT be stopped when（）.
Between 1830 hrs and 1850 hrs this day，strong gusty winds（）by my vessel，in consequence of which the vessel’s four mooring lines were broken.
Please supply 200 tons of fresh water（）my ship.
A hand held instrument used to measure distances between objects and the ship is a（）.