Answer Posted / kumaresan . a

Step up transformer
Step down transformer

i need the details about bhel exam.how to apply for that.please send to my email-id.thenmozhi2k7@gmail.com

2068

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Why do we pefer VCB over OCB?What are the advantages of VCB over OCB?

2676

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why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding

1898

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How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

4111

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Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m

5257

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what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

2340

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What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

2737

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how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it

1990

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WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

2179

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how to prepare the technical test

2138

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Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

1982

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What happens if we give the supply to the rotor of induction motor and make its terminal shorted?

4169

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The D.C. spark test is applicable to single conductor cable & assemblies of insulated single conductor cables without insulation shield,metallic sheath or metalic armor?

1905

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What do you understand by oldham's coupling ?

1126

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1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor

4928

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