Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Does increase or decrease of reactive load affects the Voltage.

Nalco,

5 6488

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

Siemens,

1 4319

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

3 14697




Why reverse power relay is used?

12 40756

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

6 18456

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

4 6489

how netral CT is selected (including its details specification)

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

8 28460

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)

656




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

Honda,

971

what is upper impedance and lower impedance of a distance relay

791

What is RTCC in a transfomer and specify its function.

MCB, Vodafone,

10 91941

What is OLTC in a transformer, specify its fuction.

L&T, Bhel, Isgec,

35 111892

What is OT in a transformer, specify its function.

2 2171

Whta is WT in a transformer, specify its function.

4 5262

What is ST and specify its range of voltage.

658


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Un-Answered Questions { Electrical Engineering }

can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

98


what is the difference between gas group b and gas group c electrical equipment construction wise?

608


DESCRIBEPNEUMATIC SYSTM OF ASH HANDLING PLANT

3474


how to calculate the cable current ratingand and how much of distance the rating will be ok will the distance is incresed what the action we take

540


in science exhibition how lamp can blink when you clap near the lamp ? thank you

631






Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

1156


can the measured percentage error during calibration of single phase energy meter be negative?

581


orifice sizing how done, checking & selection

543


how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

716


What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

1447


what is differentila pilot supervision in the incomer control panel in the power station?

707


what does a k rating in a transformer means?

1224


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

816


We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.

427


how to calculate regulation constants for over head lines? and what are the regulation constant for raccoon conductor at different voltage level and different P.F?

674