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 difference between RCCB and ELCB?

3 7412

What is difference between PLC and SCADA

Uflex, Vimal Fire Controls,

13 69853

What will happen if i connect two 3-phase tranformers secondary supply on one bus bar that is R-Y-B-N?

GMR,

2 4651

WHY IN THREE PHASE CABLE 440V CURRENT FLOWS IF IN ONE PHASE 230V CURRENT FLOWS ???

3 8834

How Can we calculate current carrieng capacity of Copper Bus-Bars and Alluminium Bus-bar

2 7801

difference between load bus and dead bus?

4 30821

Why only sinusoidal ac voltages are generated?why not triangular or sawtooth?

2050

what is FACTS & where i can material regarding to facts.

2 4977

how to mention 5mw generator in kva ? gen voltage is 11kv

6 10253

what is meant by reactive power ,active power & real power ? thank you

2 6126

What is difference between Dy11 & Dyn11 vector group transformer. Can both these transformers operate in parrallel.

Jaypee, JOY,

5 64452

why we are using auto transformer in sub station mostly???

2 11819

what is the relation between KVAR,KVA,KW?why we are mentioning capcitor rating in kvar?what is meant by arcing horn and horn gap in transformer?what is equipotential wire?

1 6796

What is the method to calculate the capacitor bank rating for say 50 KW load and how do we connect each capacitor to busbar??

4 13290

In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

HAL,

2083

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?

2278

State thevenintheorem?

1033

What is the function of RCBO? What are the different sensitivity ratings & each application?

2774

What is order of the system?

1086

how many safety really of DG sets.

2188

When we connect the large capacitor bank in series ?

1058

what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load

3989

What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

1188

why are the maintaine power factor and how can this control and this is how work.

1939

Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed

1488

What is maximum power transfer theorem?

1057

What happen if 200 KVAR capacitor connected to power continuesly?

2093

Why 3 phase induction motor getting supply in body if one of it's phase is cut

1684

What do you mean by lighting transformer?

1015

Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?

1635

For More Un-Answered { Electrical Engineering } Questions Click Here