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Answer Posted / thowsif s
LOP sensor : Lubricating oil pressure sensor.
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It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.
a 100mva,400/200v transformer has leakage impdce of 10% draws a steady state line currentof---------------
apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.
Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.
(1)Can earth and be conected together (2) what is the diferent between earth & neutral
75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?
What is a dc motor?
what is maxemo work permit procedure
what is meant by surge? what we called for high currents?
why the electrolyte level in lead acid battery is maintained 2.5 cms above electrodes?
what is physical distance of isolator to VCB in 33/11kv sub stations
How to decide the size of the capacitor for a single phase induction motor say 2 HP ??
We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.
What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?
how do you choose the cable size as per amps rating & the voltage drop for the same.
