A.rotor blades and landing gear
B.unloading of passengers
C.loading of cargo
D.pilot's visibility
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A.prevent the generation of flammable or combustible gas in tanks
B.blow out cargo lines to prevent the build up of gas concentrations
C.dilute tank atmospheres to keep gas concentrations below the lower explosive limit
D.prevent fires in the pumproom by continually displacing flammable vapors
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
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
最新試題
It is not necessary to declare（）in MARITIME HEALTH DECLARATION.
A large metallic device，mounted directly in the piping (usually located at the dock near the point where the vapor hose is attached)，designed to prevent the passage of a rapidly moving flame through the piping is called a（）.
A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should（）.
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.
A head-on situation at night is one in which you see dead ahead a vessel showing（）.
An inert gas system installed on a tanker is designed to（）.
A helmsman receives the command “Right 15 degrees rudder.”The helmsman’s IMMEDIATE reply should be（）.
All ships（）suspected infectious disease on board should radio information to Port Health Officer.
A large basin cut into the shore，closed off by a caisson，and used for dry docking of ships is known as a（）.
A flooded leg on a liftboat would adversely affect the vessel’s stability underway by（）.