what are the various types of earthing? plz give brief detail of all. also post pictures if u have.

22 Answers   Aster Teleservices, Era Infra Engineering, Micron Electricals,

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specific gravity of a battery?

6 Answers  

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whenewher three phase supply is given to induction motors revolving/rotating field is created & rotor rotates.When the three phase supply is given to three phase transformer then revolving,/rotating field is created or not? if not why?

1 Answers  

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Why we use 2core cable for Dc motor.Can I use 3core?

5 Answers   JK Paper, Maharaja Whiteline,

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25 kvar capacitor , how much current ? For 25 KVAR--Capacitor I = ?

3 Answers  

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Why RCD trips on connecting to one Socket but not trips one other circuit on same RCD.

1 Answers  

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I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

0 Answers  

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What is the use for cable entry in control room?

0 Answers  

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What are the voltage values for LT,HT,EHT and other voltages??

22 Answers   INEL, MNC,

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what is earthing transformer? draw the winding dia.of earthing transformer.

0 Answers  

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number of I/O devices in siemense plc

0 Answers   EB,

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How to put breaker in service / test position.

1 Answers   KSEB, L&T, Siemens,

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