A、directional current
B、forward current
C、propeller current
D、wake current
更多“A stream of water immediately surrounding a moving vessel’s hull，flowing in the same direction as the vessel is known as（）.”相关的问题
A、can fit any size hose B、converts a stream of water into a fog C、increases the amount of water reaching the fire D、can spray two streams of water at the same time
A、angle that the propeller makes with a free stream of water B、angle that the propeller makes with the surface of the water C、number of feet per revolution the propeller is designed to advance in still water without slip D、positive pressure resulting from the difference of the forces on both sides of the moving propeller in still water without slip
A、a difference in water pressure B、the method of breaking up the water stream C、the length of the applicator D、All of the above
A、A.filled with clean water before operation B、B.keep air cushion in oil collecting space during running C、C.check oil level during running D、D.clean inner separator with low pressure stream
A、Admiralty Tide Tables B、Admiralty Tidal Stream Atlases C、Admiralty Manual of Tides D、Admiralty Tidal Handbooks
A、A.Bouncing a straight stream of water off the overhead to create spray effect B、B.Spraying foam on a bulkhead and letting it flow down and over a pool of burning oil C、C.Flooding a paint locker with CO2 and sealing the compartment D、D.Cooling adjacent bulkheads with water to prevent the spread of the fire by conduction
A、A.a low velocity spray applicator B、B.a water spray or solid stream C、C.at least two spray patterns of water D、D.at least 25 psi delivered pressure
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