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
An inert gas system on a tanker should be used to（）.
A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should（）.
A helmsman receives the command “Right 15 degrees rudder.”The helmsman’s IMMEDIATE reply should be（）.
It is not necessary to declare（）in the Health List.
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（）.
A green buoy has a yellow triangle on it. This is a(n)（）.
A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）
Permanent magnetism is caused by（）.
A flooded leg on a liftboat would adversely affect the vessel’s stability underway by（）.