Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

xfhnchncv?

1910

If the (Motor control center)Panel work on field the relay used in panel in the case this will be damage and no indication provide on panel.fault occur in panel and MCB will not trip. how happen the relay damage in panel and what effect of panel.

1 4230

suppose MCC (Motor control center)panel work on field the relay on this damage or not work and earth fault occurs in this and no indication in relay panel given below. than MCB trip or not and what effect the panel how find relay will damage or not work.

2 4965

Our Company's Contract Demand is 110 kVA. We use 12 Capacitors each of 12.5 kVAr Capacity to maintain Power Factor of 0.99. So, what steps should we take so that our Contract demand does not exceed 110 kVA?

Jindal,

1 4049

Where we use 30mA , 100mA & 300mA RCCB ?

BEL,

3 42839

can we do the star delta connection of capacitor for 3- phase motor starter.

2031

How to check the Bushings of the transformer?

1813

Differnce between earthing and nuetral

S Tech, wbsedcl,

3 9078

why the transformer has no starter

NTPC,

2 9292

what is the differance between HT motors And LT MOTORS.

Empire Vitrum Glass, Sappi,

1980

what is the speed of current

4 6835

There is 15 KVA UPS using for single phase load.And 30 batteries of 12 V, 100 Ah are connected in series. Load is taking 15 A current.What will be the back up power for this UPS on same load?

BS, Dynamic Software,

1 3636

What will happen if the field of synchronous generator is removed when it is in operation with no load?

HJ, UPPCL,

3 6206

What is the dc grounding system and what is diff between AC/DC grounding system?

2119

How many speed of dg start motor for engine starting time

1 3694

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Un-Answered Questions { Electrical Engineering }

What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?

1952

What are the factors which influence the choice of specific magnetic and electric loadings of a synchronous machine?

2096

In Plumbing services What are accessories we consider for a bathroom?

1995

Electronic circuit

1035

what is the saturation point of crgo lamination.

2235

hai iam arunkumar. i have applied for an section enginner in rrb. i want lat 5 years solved question papers. if u have please sedn it to arun30682@gmail.com

1822

How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?

2001

what is lumped and distributed elements?

1958

A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

2111

How halogen & merquery lamp works.

2160

The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

1716

Difference between ac parallel circuit and ac series circuit?

2117

why we permissive overreach in distance protection.where it is applicable to use in long r short lines

2765

how many load we can take for lighting

2284

substation+ plc system

2080

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