Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How does the phase sequence controller works, how it identifies the phases? confirm working principle

1621

How would your past experience translate into success in this job?

6466

WHAT IS DIFFERENCE BETWEEN PHASE CONVERTER AND VFD

1 4542

how step down and step up voltage is occured in transformer

3 3882

What core magnetic balance test of transformer? How to do this test in a three phase Star star (star-LV, star-HV) transformer? How to measure and where to measure?

Alstom,

1 4011

1)how many types of earth? 2)how many types of megger and how to select that range? how much time taken for megger calibration( we r using megger)

1 3592

How to check the efficiency of the generator , air compressors.

CIL,

1 3672

distribution is maximum done by a)radial b)network c) parallel d)b & c

1515

why the transformer ratings in kva or mva?

4 4548

What are the types of lighning arrestor protection system? how to choose that according to load?

SPL,

2 3684

what does mean for "mah" for mobile batteries like 1500mah,1300mah??

2 5325

As a good company employee, can you report your supervisor to the company management if he or she is going against the company interest in his or her actions?

MAHINDRA,

1 2911

Explain how you intend to work under pressure to meet up with deadline target?

1936

can wind-turbine effect on rain or on cloud's

1 2505

can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)

NTPC,

1510


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Un-Answered Questions { Electrical Engineering }

What is the actual calculation for transformer short circuit test?.

1988


IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.

1645


ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

1623


How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

1803


All tape of electrical questions Answers tape of motor transformer e.o.t crane

2122






11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter

1223


Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.

1585


What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?

1252


from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?

1726


What will happen if the d.c. Shunt motor opened accidentally running on no-load has its shunt field winding?

899


What is EHT tariff or Power factor Tariff ????

1918


How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.

1240


why electron produce magnetic field when it is in motion?

1701


HOW TO SELECT THE COPPER CABLE SIZES OF MOTORS,TRANSFORMERS?

1575


Explain RLC circuit?

747