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

WHY R USE IN BRUSH IN THE MOTOR?

 6 7341

why PT transformer primary r the grounded?

 2 5406

why r use the wave taper in the substation ?

 2 4441

Why r use in the tap changing x' mer.

 2 5341

Why we use stones in switchyard?

 3 8808

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

 8 17615

what do you mean by earth fault in transformer?

 2 16072

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 3026

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

 1 4206

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 10791

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

 4 18185

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 5571

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

 1688

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

 1 16852

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

 7 18552

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L&T Electrical Engineering Interview Questions


Un-Answered Questions

What is full form of jsp?

494

What is smtp and how it works?

3

Should I learn c or c++ or c#?

549

how to configure credential store in ogg 12c?

5

Why a tesa lamp is glow between two phase?

1511




What are sorting algorithms used for?

518

What does f9 do in word?

304

Explain the difference between the atomic theory and the kinetic theory?

482

What is a ‘Scala set’? What are methods through which operation sets are expressed?

7

What is desired capability? How is it useful in terms of selenium?

455

Explain different types of wastes?

116

why do u need an ANT?

1991

What is the difference between a file, a class and an activity in android?

522

Why don’t we need to configure jsp standard tags in web.xml?

500

What is master detail relationship and look up relationship in salesforce?

202