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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the effect of PF on alternator sizing?

Siemens,

2 6325

features of hbc fuses

2473

how can i reduce sparking without stepdowning the voltage

2564

why transformer is rated in KVA ?

5 9911

Necessity of transformer earthing

1 7001

1. Synchronization is not required A. Thermal B.Hydel C.Wind D.Nuclear

APGenco, Birla Power,

2 4739

2. What are the parameters of EHT sub-station?

APGenco,

2401

2. What are the parameters of EHT sub-station?

APGenco, Blue Star, Enercon,

1 3524

what is meant by substation?

5 11582

how do we calculate length of starting time and repeated starting of a direct online starter?

2026

how to calculate the input current in singel phase and 3phase supply to 5kva ups

Gravity India,

1 7489

What is use of 3phase instead of single phase?

DCM, L&T,

12 17369

How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx

Bhel,

2289

what is the difference between a frequecy converter and an electric inverter?

2 4911

what is the main different between distribution transformer and power transformer ?

Sail,

7 10742

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Un-Answered Questions { Electrical Engineering }

3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

1925

what is the difference between capacitive and resistive voltage divider?

3593

Electromagnetic torque developed by the motor is compared to shaft torque. A less B same C depends on motor design D more

2088

5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........

2131

How to calculate that clean water supply in one Day from 150 KLD STP?

2069

how we can calcultae the short circuit level for bus bar

2285

why occ characteristics of generator is also called as magnatization characteristics ?

2208

Mention how NPN and PNP transistor works?

1350

What is the formula to calculate the size of Aluminium and copper cable?

1996

how the B-H loop obtain under the static condition

2383

why we use the 100% and 95% stator earth fault protection for the synchronus generator ?

2338

How to calculate cable size by using load.?? Any formula...

1450

what is the terminal voltage of dc series generator running at rated speed at no load?

7728

What difference between ref protection and differential protection ?

1896

A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

2032

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