A.in trays constructed of material that is resistant to the electrolyte
B.so as to prevent movement when the vessel pitches and rolls
C.in a well ventilated area
D.All of the above
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A.pitch
B.sway
C.heave
D.roll
A.rolling period
B.amplitude moment
C.inclining moment
D.pitching period
A.ballasting
B.deballasting
C.disconnecting
D.hanging off
A.direct pressure on the wound
B.elevating the wounded area
C.pressure on a pressure point
D.a tourniquet above the wound
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
最新試題
Which statement concerning maneuvering in restricted visibility is FALSE?（）.
Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller? （）
Which statement concerning an automatic towing engine is FALSE? （）
When a deck cargo is secured with chain or wire lashings and grab (pear) links，which statement is FALSE?（）
The vertical movement of a vessel in the water is called（）.
The BEST way to steer a twin-screw vessel if you lose your rudder is by using（）.
The distance that a ship moves forward with each revolutionof its propeller，if there is no slip，is called（）.
Which is TRUE of a stiff vessel? （）
The time required to incline from bow down to stern down and return to bow down again is called（）.
The main reason a long towline is used during an oceantow is that（）.