Answer / guest

Because DC supply has polarity + and -

What are the tests to be conducted in the electrical installations

1 Answers  

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WHAT KIND OF LIGHTENING PROTECTION SCHEMS CAN BE ADOPTED FOR THE FLAT ROOF OF BIG DIMENSION.

0 Answers  

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What is milivolt dop test in Busducts? What is its significance & procedure to do the test?

0 Answers  

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what is the difference between MCB & MCCB

3 Answers  

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haw to calculate resistance of induction motar

1 Answers  

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WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

0 Answers   ACC,

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why threre are two parallel lines in transformer's symbol?

11 Answers   NTPC,

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is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

0 Answers   Wipro,

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three owners X, Y, z owned some tractors with them, on the first month x gave away the same amount of tractors to y and z ( as much as they possed), similarly in the 2nd month y gave of to x and z similarly by third month z gave to x and y. after this all X, Y, Z had 24 tractors each.

2 Answers   econ,

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what do you mean by PF correction. A motor is rated at 15 kw,415 volts, 0.7 pf and eff of 0.92. The powerfactor is improved to 0.98 by adding capacitors at the bus. calculate the current drawn by motor under full load condition before and after pf correction

5 Answers  

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What is the out put of a CT? How the ratio is decided ?

1 Answers  

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when a airgap of the induction motor gets larger does it draw more current ??? does it power factor gets lower?

3 Answers  

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