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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How to Select a Transformer Rating ?

Tata Steel Limited, Techno Electric and Engineering, Vedanta,

3 6627

OHMS Law is only applicable for ac or dc or both circuiT?.

6 7225

How can we convert the motor to generator and also generator to motor

Aesco,

2 4027

3 pahase 750kva Running 2 DG sets in 35 mints.525ampers. and 616 kw how much fuel consumption in Generator.what is the formula.

Delite Systems Engineering,

1 2427

We are installing a 1.6 MVA transformer at our crusher plant and the feeder of HPSEBL is 2 km away at substaion . and a VCB is installed in the substaion which is 2 km away from transformer so we need another VCB near the transformer.

SCPL,

2 3737

What is resistance of 50meters, 16sq.mm, single core copper cable?

1898

Why we are mention U1, V1, and W1 in primary side of transformer give technical reason

1 4179

line and phase voltage relationship?

CPCL, IVRCL,

2 4116

What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance

2003

What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load

1841

How to use computer cpu ups use for home inverter circuit board

1794

slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock

Ramco,

1941

How to operate a ac chilar plant?

2492

How to maintain ac plant?

HCL,

1961

Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?

Power Plant,

1920

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Un-Answered Questions { Electrical Engineering }

what is the voltage between earth & neutral in 3 phase electrical connection.

1954

what is the ground fault relay,which purpose it will be use,clearly tell me plz

2081

when will be the iocl interview results ifaced the interview on september 8 th

2197

what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights

1941

Safety of on line ups

1959

Why use in ht motore

1694

what is interfacing in computer studies?

1787

What is superposition theorem?

1200

What is the difference between security constraint unit commitment and security constraint optimal power flow?

1720

I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?

1876

Why control of DC motor is simpler?

2442

lorteny method

2007

What will be in Mahagenco Trade Test Exam? I want to know the same.

3698

Dear sirs, pls check this 4-20ma to RS485 module datasheet,pls guve me some suggestions. http://www.szsunyuan.com/sy/pro_more.asp?Productid=539 Thanks. E-mail:yunianjiang99@gmail.com

2085

PLEASE INFORM ABOUT THE IDEAL TEST RESULTS OF MAGNETIC BALANCE TEST OF TRANSFORMER 33/11 kv DELTA-STAR T/F

2218

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