what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

0 Answers   Mepax, NEPCO,

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why universal motor work on ac & dc both?

1 Answers   EMC, emc2,

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WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

0 Answers  

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In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

0 Answers  

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WHY STABILIZER SHOULD USED

2 Answers  

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Why we should use delta connection in primary and star connection in an distribution transformer, which converts 400v a.c. voltage to 33kv.

15 Answers   ABC, Kirloskar, Sify,

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The cable area of cross section is 185 sq mm. How to convert this to the diameter.

7 Answers   Syscon,

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we know that dc motors are more superior then three phase induction motors in torque generation though they are not much used in industries why?

5 Answers   Essar, L&T,

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Draw an S.L.D of the main panel for a hospital, showing meter position. Essential loads are: 1) Equipment load 100 KW 2) Critical load 500 KW 3) Life AID Safety load 400 KW 4) NON-Essential load 200 KW 5) Other service loads 200 KW Calculate and suggest the size of the transformer, size of main cable, capacitor bank, and calculate the capacity of an emergency load having above first three mentioned loads is supplied by an emergency generator.

0 Answers   FEWA, HMK,

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What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

0 Answers   AFG, Afghan Telecom, GE, IBM, SECL, Sun Pharma, TNPL,

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Difference between mcband isolator

1 Answers  

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what is power factor

5 Answers   Exide,

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