What is Lockout Relay and what is use of it in electrical installation

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what is meant by loss of field in a DC motor? how a universal motor works?

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Why efficiency in thermal power plant is low?

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Draw the equivalent circuit of crystal oscillator?

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How can ignition voltage of light increased with the help of a ballast

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the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

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what do you mean by mf of energy meter & its formula?

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HOW TO CALCULATE THE CABLE SIZE FOR POWER CABLE, CONTROL CABLE AND INSTRUMENT CABLE

1 Answers   TurboTech,

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what is unbalanced rotating magnetic field?

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Why is the earth socket in an electrical plug outlet made thicker and lenghty?

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How to design power source say 5KW i/p :415v 3 ph, o/p 5KW constant, variable currnt and variable volatge 10-230v,

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How many types are using in 220kv/400 kv swith yard

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