Answer Posted / d vittaleshwar

voltmeter is designed with high resistance and ammeter is designed with low resistance.with out giving supply to the meters also we can find which is ammeter and which is voltmeter.

what is the purpose of high speed earth switch in gas insulated substat

2982

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in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

1846

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DG cranking voltage?

4751

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How to design the earth grid for lightning protection in an industry

4653

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if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

1966

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what is the prinsiple of dc motor and construction and working ,application of dc motor.

1956

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how to differentiate a mpcb,mcb with a contactor? Explain their working operation

2207

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if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?

1407

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please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.

1667

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relation between power station capacity and voltage level?

2044

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What happen when change order of CT in GIS feeder?

1648

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hi, i have 3x200KVA and 2 x 80KVA UPS with battery bank of 150AH 68Nos. and 100AH 204Nos., i need to install AC either ductable or PAC type, so can you help me to calculate heat load and capacity of the AC to install.

2721

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what is the best method of grounding in 30 MW generator?

2017

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In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above

2051

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Explain the operation carried out in thermal power stations?

1033

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