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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why semicondoctor use in HT cable?

1 4348

why single core HT cable need only one side earthing?

2 8868

give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model

2704

why Current is lead 90 degree and voltage is lag 90 degree in a capacitor.? why Current is lag 90 degree and voltage is lead 90 degree in an inductor.?

2275

What happen if we give resistance to the armatuure of a dc motor?a

1 3536

break down of electricity is more in summer or in winter ? give reason

4 6691

Why do we will ground the positive terminal in electrostatic precipitator

JSW,

1 2811

Why the substation measure in KV but not in the power ratings of transformer.

4 6907

What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.

2824

in 220 kv substation,what is the mean of avr voltage reading? means at oltc temp. 36 the avr voltage was 109v.so what the mean of 109v

1 2706

difference bewteen reverse current and alternating current

ABB,

2227

if transformer core is made of copper instead of steel which losses will increase..please explain

Bhel,

5 17059

Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?

1879

Which element is highly conducting coppoer or gold?

3 5267

what is the effect of earth on capacitance in 3-phase and 1- phase transmission line?

2367

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Un-Answered Questions { Electrical Engineering }

why is the power generator connected as star earthed or star earthed through reactance and what its features ?

1685

why should the primary of transformer be connected in delta in a heat run test?

1982

UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?

1939

Why an ac systems are preferred over dc systems?

1109

what's the simultenous maximum demand (SMD)..what the diffrent MD and SMD?

2520

I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.

2103

how to modify DOL control panel into Delta Y connection?

1951

what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable

1979

Where voltage are high and current to be interrupted is low the breaker preferred is:

2289

why and how voltage sharing in transformer, during magnetic balance test ?

2356

what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

2038

Salient pole alternator is more stable, why?

2717

Explain about 3 phase motor fault current calculation with examples?

2946

what is the common earth

1084

i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

2203

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