Electrical Engineering Interview Questions
Questions Answers Views Company eMail

if voltage bt phase & nutral is 38v in a panel board . whats the root cause.

1787

how many minutes or seconds taken by the transmission of electrical power from generating end to distributing end?

3 4931

why u r living from presentaly working.

1925

Why the steam turbines are run at high speed where as the hydro turbines are run at low speed?

1 4322

describe the constructional features of an auto transformer and its principle operation

1789

What is Black-out and Brown-out situation in the context of voltage stability in power system?

1 4901

Pls tell me what is the exact current conducting capacity of copper and aluminium cables?how much capacity of cables need to 90kw induction motor&how?

1 3660

Purpose of lighting transformer.

2 4403

What is ill conditioned power system?

1 8856

What is a captive power plant?

2 6457

What is the % number of various buses in a typical power system?

2 3703

On which side, taps are provided in tap changing transformers and why?

2 5628

During the transients in alternator,the mechanical power input remains almost constant while the electrical power output changes significantly.Why?

1 3525

Amoung all types of short circuit faults in a transmission line which one has less number of occurance and why?

1 3541

What are various power system instabilities and what are their effects on power system operation?

1 2891


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Un-Answered Questions { Electrical Engineering }

oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

1548


how do you test tachos and servos

1610


please give me solution to rectify the emi(electromagnetic interference)

1418


how to calculate power consumption in slip ring motor at different step

1689


How to calculat the ratio of HT\LT in energy meter

2087






please send privious years question papers of jindal steel and power ltd.My e mail id is rajanikant.sngh@gmail.com

1613


What do you mean by passive circuit elements and why these are called passive?

638


What is installed in PAC that is control the humidity

1022


Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?

1490


Why Utility Distribution System in India is mainly at 11 kV? Why not Utility go for 33 kV?

1291


In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

1605


Where should the lighting arrestor be placed in distribution lines?

639


Formulae for calculating the transmission line losses for different voltage levels

1595


What do you mean by turns ratio of instrument transformer?

603


i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection

1402