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 max working temperature of an oil filled transformer say of about 1500kva.

3 13324

oil sample dielectric test gives the insulation rupture voltage at 26 kv. is this transformer safe to be operated . The working voltage is 11 kv

2 4606

We have one 500KVA transformer. We have tested REF relay and commissioned. After one and half year, due to some ground fault in one of the DB circuit Transformer tripped by REF relay. What will be cause and remedy. Please advise?

1 5371

formula for incomer breaker size calculation of powerfactor correction unit

3 18921

lightning current is ac or dc..?????

7 9890

HARMONICS ARE ALWAYS IN INTEGER LIKE 2ND OR 3RD HARMONICS,NOT IN FRACTION LIKE 0.5 HARMONICS.....????????

2 4572

what is resonance in electrical circuit and its effect? where we get high resonance and low resonance?

1 3277

what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

HAL,

2502

what is reactive power (MVAR) and how it is control? how it is generate in powerplant?

1 15215

how to maintain standard votage in power system?

5 7627

What is auto reclose system in Circuit breakers??

4 20788

what is the general Classification of Generators

2 13129

E.B sending end to receiving end 33kv ug cable laid 8Km,receiving end to ss1,ss2,ss3,ss4 all are Approx 800 Mtr,can go for 33KV to 430V or 33kv to 11kv in receiving end and 11kv to 430 near ss ,which one is good for technically and economically.

JLL,

1 4295

which motor is used in watch..??????

Bhushan ITI,

3 23969

what kelvin's law ?

2117

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Un-Answered Questions { Electrical Engineering }

Disadventage of cable-gland earthing if any ?

2231

Is MEN and RCD related to each other ?? IF yes then how??

1874

How can calculate the rating of a servo stabilizer for given a specific load

3523

can u give me a brief idea about power line carrier communication ??

1848

Yazaki india pvt ltd interview questions qurey related

1033

Why an ac solenoid valve attract the plunger even though we interchanges the terminal? Will the poles changes?

1215

State kirchoff voltage law?

1125

Why do not we prefer non conventional sources of energy to conventional sources?

1203

If I want to connect a capacitor bank on the HT side of a 11kV/415V, 3 phase delta-star distribution transformer to supply Reactive power to it..what practical specifications of a Capacitor bank that can i've??please reply..

2499

EXPLAIN THE ESSENTIAL FACTORS WHICH INFLUENCES THE CHOICE OF SITE FOR A HYDRO ELECTRIC POWER PLANT

2251

solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

1877

if 6 earth pit value is 1.5 ohm then what should be the number of earth pit to make the value .8 ohm

2251

what is POTT and PUTT explain?

3349

How to test IR testing & magnetic balance test

1997

What are the two segments of nyquist contour.

1108

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