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L&T Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Explain the working principle of servomotor

 20 49984

What is the generating voltage of a power station consided generally?

 20 35721

how to find motor contactor rating and bimetalic relay rating? of 30kw motor which will operate on star-delta starter?

 6 19102

Briefly describe your ideal job?

 2546

what is GRR(Grid Rotot resistance)?Why it is used beside of LRS?

 9 58345

CONSIDER A 415V/200V STEP DOWN TRANSFORMER.CAN WE USE USE IT AS STEP UP TRANSFORMER BY GIVING 200V IN SECONDARY AND TAKING OUTPUT FROM PRIMARY?

 22 23716

WHY THE FREQUENCY IS 50 HZ IN INDIA.CAN WE USE SOME OTHER FREQUENCY.IF SO WHAT IS THE RANGE AND WHAT WILL BE THE EFFECT IN PRESENT POWER SYSTEM IF WE CHANGE THE FREQUENCY AS YOU SUGGEST ?

 32 48381

Why Transformer in KVA?

 41 81498

who invented electricity?

 20 19535

What is the Difference Between MCCB & ACB & VCB

 58 292503

How Negative Phase Sequence Relay works in case of Synchronous Motor?

4 30141

What is min and max voltage between earth and neutral/phase if it perfect earthing?

 37 246869

what is the difference between power and distribution transformer?

 32 60234

how can we change the rotating direction of single phase AC induction motors?

 12 76257

Two 11 kv lines are feeding to common bus in a substation,I have one set of CT & PT(3ct,2pt), How can I measure both lines power using single set.

 6 9943

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L&T Electrical Engineering Interview Questions


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281

Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??

1201

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464

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what does 50 denote in dowex 50 ????

2089

How did street originate in the plumbing term street ell?

619

Explain javascript closures by example.

486

Can some one please show me the design of a POT Bearing.

2158