Answer Posted / srinivas dharani

charcoal is maitain the low resistance and high
conductivity.
salt is desolved in water the possitive ions abserved by
charcoal and released so the earth resistance maintain
properly.

I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.

2464

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Meaning of ingrace protection for motor.for ex IPXY

2930

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Single line diagrams for star to delta and DOL starters.

2272

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Why is negative feedback invariably preferred in closed loop system?

2321

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what is the meaning of osr in transformer.

2155

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why swinburnes test cannot be performed on series machines?explain

2357

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what is your aim

1930

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An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.

1430

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i completed my DEEE. and i want to electrical c license. how to get it..?

2178

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Can anyone tell the proper diagram of star delta starter????

1934

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What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

2056

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Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

2188

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What is the unit of magnetic flux density?

1185

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why to use freewheeling diode ( diode in revers bias mode) across dc coil

5037

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What happens if i apply 500V to 440V rotary Switch ?

1836

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