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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

WHY THE TRANSFORMER VALUE MEASURES IN KVA INSTEAD OF KW.

4 7399

why do transformer humm ??????????

2 5119

if we use contactor & MCCB both in a feeder.in this feeder rating of contactor is higher or lower or same of MCCB rating & why?

1 3654

what is difference between MCB & MCCB

1 5073

WHAT IS REMOTE CONTROLLED DG? WHAT IS DIFFERENCE BETWEEN REMOTE CONTROLLED DG & NORMAL DG SETS

2 5201

how to calculate the size of cable tray

3 13285

what is the difference between online and offline UPS?

Prestige,

4 11782

Upload data by LSMW via BAPI in SAP system.

1 5679

the power consumption of perminant magnet moving coil?

1 3174

what material used made for the resistance,for the purpose of zero temperature coefficient?

2 4927

A 3PH MOTOR RUNNING IN NORMAL CONDITION AND ITS AMPERE ALSO UNDER ITS FULL LOAD CURRENT,ITS CABLE RATINGS ALSO HIGER THN ITS CAPACITY,BUT ITS CABLE GETTING ABNORMAL HEAT(NOT TOO HOT)WHY ITS GETTING HOT LIK THIS?

5 7253

2 3808

why open-delta core of 11kv Potential Transformer is 11000v/1.732/110/3?

1 6986

whats was the problem if neutral and earth got 2volt from the ups output

1 3685

SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

2 6841

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Un-Answered Questions { Electrical Engineering }

Why increase in current leads to increase in conductor temperature?

1137

advantages and disadvantages of inverse definite minimum time RELAY

1560

what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

2909

please I wont know how to calculate the vector group for power transformer ZNyn11 best regard.

1853

Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.

1093

What is mean by hot and cold loop testing? What is the difference between them?

1125

We have 110Vac ,10A ac supply which is converted into 110VDC & How much DC current? which factor is reqired for dc current calulation?

5146

advantage and disadvantage of team work?

1706

I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

1959

Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?

1769

If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.

1637

what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated

1981

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

1945

What does Bode plot tell you?

1396

Starting Time of LT & HT Motor

1952

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