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 rated current and operating current?

1 4960

how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

2165

How to run 1ph motor(230 VOLTS its full load amps is 4.5 ampa))with 480 volts main(we didn hav neutral)Thn we go for step down transformer.Our load 10 amps,so we conisder this amps in primary are secondary side?

1 3497

140 is load amps for a equipments and what ratio of CT requied for installimg ammeter to amps montering purpose?

1 4231

what difference between thermal and bi-metal over load relay?

2 8757

How we calculate the spacing between the conductors in 11,33KV lines?

NHPC,

3 13742

If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?

Nalco, NTPC,

4480

how we sesign the transformer give some specifion regarding design of transformers

1922

To test Transformer we give HT side 440V to see wheather that it is producing 17.6V on LT to verify Voltage ratio is correct or not but when we give the 440V voltage to LT side then what will happen to HT voltage ?

Aditya Birla,

3 8153

I WANT BHEL PREVIOUS QUESTION

Bhel,

2356

How to calculate load taken by a cable?

3 6030

how to calculate current and voltage in a same circuit?

2221

in 33KV or 66KV system which connection is aviable on high voltage transformer primary delta or star ?

3 6200

What is VFD, and how its work

5 9012

What different between kw and kva. why maser AC in kva.

3 5620

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Un-Answered Questions { Electrical Engineering }

What is the dependency of stiffness on load angle??

1315

WITCH CARDS IN USE IN FIRE CONTROL PANEL.

1928

While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?

3537

Can we convert off line transformer to on line transformer

1982

What range of speed can you get with the field control method of speed control of d.c. Shunt motor?

1150

How Can you do Maintenance of ACB of 2000Amperes

2073

How the frame size of a flange mounted AC induction motor is calculated?

2060

WHAT IS MOBILE SUB-STATION? & REALLY BENEFIT IN INDIA

2070

what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

2284

How to decide DO set rating of Transformer?

1659

what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?

2341

Why syn. Generators are used for the production of electricity?

1160

Explain the role of a car driver as one of a feedback mechanism.

1188

which of the following elements is not present in stainless steel

2534

what are the ''pitting rings''and how cn they be controlled in a series generator

1856

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