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Electrical Engineering Interview Questions

hi frienda We have 250kva cater pillet dg set we are fasing one diffrent proublam in dg we are start dg set after one mint applying load around 450a load but dg was run 3 Or 4 mints after 3 mints dg was shuding down automatic how to face this proublam pls tel any budy

3449

is dc shunt moter oprate on ac? if no why? if yes how?

12728

what is RNG in the DG synchronizing by PLC?

1039

why battery set is required for D.G.set?

12316

11 kv line me tino phase takra jaye to present time me approximately voltage aur current kya hoga...

3123

i want the formula of total eletical knowledgement

2256

what is the diffrence between mcb &elcb?

4162

what is the difference between the electrical and electronic choke?

8370

what is the need of starter in tube light and what type of starter is used in that?

1052

can we start mulitple 3 phase induction motors with common starter?

2162

what is the difference b/w single and three phase circuits?

3563

ABOUT AC GENARETORS AND MAINTANANCE AND TYPES OF GENARETORS

1941

what is electronic regulator and how we can use that in fans?

3530

how to check IR values in alternator winding?

12527

What Is the Difference Between Lightening Spike and Lightening Arrester?

2463

Un-Answered Questions { Electrical Engineering }

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

981

1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor

3768

ratings of lightning arrester

1130

How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

1090

Why is a synchronous motor always star connected??

1642

why high speed tripping relay will be used in tripping circuit why not normal relay

396

In Power cable specification what is U0/U and Um.

2412

why in the three pin plug all 3 pins are cutted ?

1002

On what basis do you decide the ONAN (Oil Natural air natural) or Dry type transformer for a project?

607

is it possible to test of bus bar in high rise building without completed full floor ?

697

The efficiency of a 100kva transformer is 0.98 at full load as well as half load , for this transformer what is the Copper loss at full load ?

799

what is the correct method for the outdoor termination of 19/33 KV HT cable step by step?

1105

What are the types of class b amplifier?

155

what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?

460

What are PLC leader logic program method

767