Answer Posted / subash konar
Main principle in making aeroplane is the difference of air
pressure on the upper and lower area of plane.The lower
pressure is due to the aerodynamically designed wings which
are slightly bend towards the ground to direct the wind
coming from propeller to exert upward force to lift the
plane.If we achieve this we can make a plane.
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A very strange fault i cam across today,that i never experienced not studied before, i need an answer for this. Phase to phase or line to line , L1,L2 & L3, voltages are 490VAC, but if i use line to ground , its again 490 VAC. . . whats the fault and theory behind of it?
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