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Electrical Engineering Interview Questions

How much weight an electrical engine can pull??

1251

what is daiod

8395

what is the multi strand cable size? 0.45mm is area of one strand & 370nos of strand.

2421

what is the HT motor current setting (Motor protection relay)aganist FLA If the capacitor is connected in parallal to the motor to increase the P.F from 0.89 to 0.99. the setting is to be reduced. what is the formula for to calculate the current.(FLA - CALCULATED CURRENT!= )

7144

what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors

1044

we know that dc motors are more superior then three phase induction motors in torque generation though they are not much used in industries why?

Essar, L&T,

5221

control diagram of star delta starter

6423

2519

Is MV canble armour can be earthed at both ends?

2482

What are the reason of unbalanced secondary voltage of HT transformer 33kv/6.6kv ? Incomming voltage is balanced.33kv each secondary voltage 6.6 kv 6.4 kv 6.4 kv At no load conditions.

2597

can we use only a isolator in the subtation..

ABB,

3007

what is the major difference between LIBBP & HIBBP.. which one is most preferable..

ABB,

1422

how to combine two linear transformers...............

1265

DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED R VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV

7652

in small capacitor we use uf( micro farad) and in big quantity we used kvar. i want to know that in 1 kva how much will b uf(micru farad).

3633

Un-Answered Questions { Electrical Engineering }

How to measure current and voltage in an ELV circuit

3197

What is CCT (Correlated Color Temperature) ?

1029

What Normal(Tangent) towers and Tension(Cut-point) Towers?

3839

Why High voltage are generate noise ?

525

how can you calculate fault level ?

1517

where was current transformer protection units used and why??

1125

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

1177

How to calculate earth fault current for 6.6 KV , 50 HZ , 756 Amps , 3000 RPM , 0.8 PF generator

1208

This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?

1182

How to Calculate Transformer Earthing Electrode Rod Size both Body and neutral Earthing ? Any Standard Formula? Please Suggted

713

CBCT selection

1322

Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?

1285

How to design the earth grid for lightning protection in an industry

2929

can any tell me why slope 40% and 80% is calculated in differential protection?

1052

What is a difference between indoor transformer and outdoor transformer of same rating

4130