A、increases as the square of the current
B、decreases as the square root of the current
C、remains the same, as it is independent of current flow
D、increases in direct proportion as the current
更多“When the current in a power transmission line is increased, the power loss （）”相关的问题
A、A.stem the current and make very slow headway when the anchor is dropped B、B.stem the current and be falling aft very slowly when the anchor is dropped C、C.stem the current and endeavor to make neither headway nor sternway when the anchor is dropped D、D.stop all headway through the water and keep the current astern when the anchor is dropped
A、A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern B、A vessel is dead in the water when the back wash from astern operation reaches the bow C、A tunnel bow thruster can be used in an emergency to reduce the stopping distance D、When a vessel is dead in the water any speed displayed by doppler log reflects the current
A、when anchoring in the Mediterranean B、when docking stern to a berth C、when docking bow to a berth D、when anchoring in a strong current
A、when anchoring in the Mediterranean B、when docking stern to a berth C、when docking bow to a berth D、when anchoring in a strong current
A、in many places a counter current flows in opposition to the main current close to the bank B、current can vary with depth of water and large deep draught ships can experience different current effects at differing parts of the hull tend to turn to the wind C、as speed is reduced，the increased proportion of the ship's vector which is attributable to current will set the ship close to obstructions D、when close to the berth in a head current，there is a danger that flow inshore of the ship becomes restricted and the ship is subject to interactive forces
A、induced magnetism in the vessel's horizontal soft iron B、change in the magnetic field when the vessel inclines from vertical C、permanent magnetism of the vessel D、magnetic fields caused by electrical currents in the vicinity
A、at all times B、in the bottom return mode C、in the volume reverberation mode D、only when there is no current
A、Current and voltage may be in phase B、Current may lead the voltage C、Current may lag the voltage D、All of the above
A、at all times B、in the bottom return mode C、in the volume reverberation mode D、only when there is no current
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