A、3 knots in smooth water
B、6 knots in smooth water
C、3 knots in rough water
D、6 knots in rough water
更多“A fully loaded motor-propelled lifeboat must be capable of attaining a speed of at least（）.”相关的问题
A、A.non-synchronous electric motor B、B.synchronous electric motor C、C.fully enclosed electric motor D、D.watertight electric motor
A、A fully loaded vessel will be slower to respond to the engines B、A fully loaded vessel will maintain her headway further C、A light vessel will be more affected by the wind D、A light vessel lose more rudder effect in shallow water
A、overspeed；overload B、overload；overspeed C、over mechanical load；over thermal load D、over torque；overspeed
A、low loads necessitate frequent insulation cleaning B、exceeding nameplate values shortens useful life C、energy is wasted if full loading is not utilized D、power factor correction methods are load dependent
A、the ship is fully loaded B、the ship loaded with water C、a ship with cargo D、a ship with no cargo
A、amount of temperature rise with no load B、temperature of the compartment where the motor is located C、normal operating temperature, less the room temperature D、amount of temperature developed by an operating motor
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