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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is automatic voltage regulator and it is used?

HAL,

2 4590

Questions :- HR- Q.1 about yourself & family background ? Q.2 Why u choose Power sector as ur carrier starting not any other sector ?? Q. 3 What think abt NTPC ? Techincal Questions:- Q.1 about Vocational Training……What u did , see the main equipments….etc Q.2 Why a transformer Noise during its running condition ? Q.3 about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ? ……..some discussion type ? Q.4 What is relation between transmission lines & Communication lines ? Q.5 Which Machine u will prefer to use at a place where flammable gases are coming out & why ? Q.6 how fault in an electric system is detected & hw protection of equipments is done ? Q.7 Why we didn’t feel electric shock in an electric train ?? Q.8 Anything u want to ask from us ??

Akona Engineering, Bhel, BSES, Cranex, DRDO, JCB, NTPC,

44 47482

WILL THE PERCENTAGE IMPEDENCE FOR A ONAN TRANSFORMEER BE THE SAME COMPARED TO ONAF TRANSFORMER OF SAME RATING???

5 12544

Why don't we provide SURGE ARRESTORS for Transformer feeders?

5 10027

How does "OUT OF STEP" relay ,for Synchronous motor protection, work?

4301

Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???

2067

How does a VOLTAGE OPERATED DIFFERENTIAL RELAY work??

2 7786

Why do we give DC excitation to AC Synchronous motor??

Lance, MBM, Polycab,

9 36476

How is the percentage impedence of a transformer fixed at design stage???

1945

Why can't we take NO LOAD TRIAL of motors having V1 mounting??

1886

Why is it that variation allowed in supply voltage to motors is (+ or -)10 %, whereas that in frequency is (+ or - )5 %

3 6631

after how many spot we must chang secondry cable in portable spot welding gun?

1896

What is the difference between MCCB, ACB & VCB

7 19285

what is mean by NTPC?,why didn't electric shock in train?

7 14354

wat's the procedure to take short circuit current for cable selection

1992


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

How can a equal potential zone be carried out in conductors?

1295


I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.

2058


if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?

1790


how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable

1560


can u describe the method used for protection of transmission line.

2173


how many types of motor can be used in washing machine

2076


what will happen if there is a voltage leakage or current leakage in an electrical train

1960


AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?

2619


what is advertised hop count

1728


Name one of major transformer company in KSA ?

1151


What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?

2778


whats the application of voltage regulation? and whats the voltage regulation's device?

1847


I am completed DEEE in tamilnadu, now i am working in andhrapradesh with 2.5 year experience in relavent field. capacity of the tranformer is 11KV, 1MVA Transformer, i am eligible for getting c licence in andhrapradesh pl help me.

1540


What is EMC filter in VVVF Drive ?

2688


transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?

2050