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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Does increase or decrease of reactive load affects the Voltage.


5 7730

How Calculat the Cable Sizing of HT/LT System & Explian by one Exampal?


1 4991

What is meant by TAN-DELTA test carried out in motors?

3 16398

Why reverse power relay is used?

12 46269

What is the meaning of ST and HT in electrical transmission and what are thier range.

6 24012

why the transformer secondary voltage is more than the load end voltage like t/f 11KV/433V for 415V(terminal voltage)

4 8331

how netral CT is selected (including its details specification)

ABB, ABC, dbpl, Mecon, Shree Engineering, Tapasya Transformers,

8 34013

Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)


what are the necessary basic electrical topics to learn for mechanical engineer to deal practical problems.



what is upper impedance and lower impedance of a distance relay


What is RTCC in a transfomer and specify its function.

MCB, Vodafone,

11 102679

What is OLTC in a transformer, specify its fuction.

Bhel, Isgec, L&T,

35 124612

What is OT in a transformer, specify its function.

2 2763

Whta is WT in a transformer, specify its function.

4 6256

What is ST and specify its range of voltage.


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Un-Answered Questions { Electrical Engineering }

During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?


which types of relay used in acb and vcb?


how much leakage current is allowed in MC61A L&T make relay?


one conductor length is L.and i am strech uniformly this conductor and made length is resistance of this strech conductor is R=4R..but i want to know about area of stech conductor hows it become a/2..


completed BE & done apprentice at tneb & having experience 6 years. want to get c license. will apprentiship & BE be helpful for getting c license. will i get any preference by showing this?


How to design the earth grid for lightning protection in an industry


Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.


two phases with neutral supply can be taken in 3C X 10 cable .


What is an Air COmpressor


How to test the Secure Elite 440 Multi function meter working condition.


what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.


Explain The Application Of Storage Batteries?


Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.


How wire size can define in electrical wiring? What is the ratio?


How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?