Answer / k.prakashchandra

Working voltage

how to find transformation ratio of squirrel cage induction motor

0 Answers   BITM, WER,

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How to Measure A.C Resistance for Earthing ?

2 Answers  

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why dc current is supplied in america rather than ac

1 Answers  

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If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.

11 Answers   ABB,

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how to calculate the speed of a induction motor without using tacho meter?

6 Answers  

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for 644KW load which MCCB should i use

6 Answers  

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following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?

0 Answers  

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how to convert star network in delta or vice versa...?

1 Answers   Toyota,

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Why alternators are rated in KVA?

12 Answers  

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what is power

6 Answers   ABB,

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When i went to a interview the interviewer ask me a question for that i cant able to answer him if anyone knows answer me How will you design a capacitor bank for a plant? if my p.f is 0.6 i have to improve it to 0.9 or 1 what kind of steps i have to do? and is there any formula for calculating this?

2 Answers  

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what is the difference between H.T Or HV lines...?

1 Answers  

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