Answer / k.prakashchandra

It is the form for seeking approval from electrical
inspector to charge /commission a new HT line

Whats parameters which we keep in mind when grounded any electrical machine.

1 Answers   Essar,

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I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

0 Answers  

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What is MPCB, MCCB, ELCB, RCCB ? Explain them ?

2 Answers  

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Why dc shunt motor in lathe, compound motor in rolling mills

1 Answers  

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how ceiling fan worked?

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Why the wave trap is put in Y phse only in switchyard?why not in other phases?

1 Answers  

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How to know vacuum in vacuum cylinder of breaker in working condition

0 Answers  

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what is the rating of Insulation tester for measure 15 KW, 3 phase 415V 50 HZ induction motor?

2 Answers   ABB,

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What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?

0 Answers  

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how we identify AC or DC machine at the time of seeing, with out use of name plate?

4 Answers  

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how does the switching of capacitors in a capacitor bank take place when we use them at the load side to reduce the power factor?

2 Answers  

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We use MCCB not MCB for motor starters because MCCBs has capablity to drawout the motor starting current which is 5-6 times the full load current of motor for 1sec. Then why we use SDF in starter panel means MCC panels. Pls reply if any one knows this answer.

1 Answers  

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