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

WHY R USE IN BRUSH IN THE MOTOR?

 6 7393

why PT transformer primary r the grounded?

 2 5434

why r use the wave taper in the substation ?

 2 4464

Why r use in the tap changing x' mer.

 2 5361

Why we use stones in switchyard?

 3 8846

Why indian power system in 11kv,22kv,33kv,66kv,110kv,220kv ? 2) Why ups required dedicated earth?

 8 17695

what do you mean by earth fault in transformer?

 2 16138

why the Different manufacture's rating of Gas genset are different? i.e : cummins genset rating is in KVA .( 625kv). While GE- Jenbacher make genset have rating in Kw. (625 kw)

 1 3040

if neutral earthing is weak of a system then how can we improve it ? Technically explanation ??

 1 4240

sir, i want to know the calculation for find rated current for cable sizes.(both copper & aluminium) with examole. please sir for example: 35sq.mm al.cable is withstands for how many amps? is suitable for 45kw motor?

5 10848

What is the problem, if a circuit breaker is not closing.

 4 18229

1.what is surge 2.what is lightning 3.what is switching 4.difference between surge,lightning,switching used in power system 4.definition of surgearrestor,lightningarrestor 5.adv and disadv of surgearrestor,lightningarrestor 6.uses and purpose of surgearrestorand lightning arrestor 7.block dia of surge arrestor 8.blockdiagram of lightning arrestor 9.operation and working of surge arrestor and lightning arrestor 10.basic formula of surgearrestor and lightning arrestor 11.basic diagram of surge arrestor and lightning arrestor

 1 5594

in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter

 1706

what is the difference between 3 phase 3wire &3phase 4 wire meter?what is the advantage of 3p3w over 3p4w?

 1 16901

Why should we use Star-Delta connection in step down power transformers?

 7 18613

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L&T Electrical Engineering Interview Questions


Un-Answered Questions

Explain the term dynamic selectors.

1

What will be your expected earnings with the two roll strategy?

260

How can I determine where a given table is referenced via foreign keys?

557

How does node.js handle the child threads?

286

How search works in drupal?

90




Suppose an array contains @arraycontent=(‘ab’, ‘cd’, ‘ef’, ‘gh’). How to print all the contents of the given array?

601

Explain about hash partitioning?

543

What are the api's used outside the tensorflow project?

1

How do I know if tomcat is installed?

463

What is collection class in java? List down its methods and interfaces.

534

How does sizeof know array size?

634

How do you prevent a class from being inherited?

532

What is a 64 bit application?

536

What is hashset c#?

496

Is spark built on top of hadoop?

219