Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to calculate the motor winding resistance ?

L&T, Forbis, OEGI, VTI,

21 91306

check list of maintenance of transformer?

Essar, ABC, Infosys, TCS, KPTCL, Godrej, Cosmos, Hescom, EPRON,

11 90594

what is the voltage between the earth & neutral 2 is there any continuity TO BE between earth & NEUTRAL

Suzuki,

3 7123




what is relay

IOCL, HPCL,

15 7986

what is over cureent protection

MPSEB, Anil Group,

3 3404

how will protect transformer agint overcurrent protection

MPSEB,

6 5644

control & auxilary circuits used for circuir breakers

672

why d.c. supply is given to the primary side of generator?

4 4226




what is current actully?significance of current...not rate of change of flow.....

3 2509

whether inrush current for lamps or capcitors should be considered cable sizing to feed that load.

Cipla,

1 2008

Wht ar the reason for low voltage on consumer side?

6 4989

what are the types of basic earthing?and why we are doing that?

Bharti,

3 4263

Wht is the meaning of floating neutral

Cipla,

9 21561

what happens to the speed of a DC series motor when series field winding is removed?

8 7451

what is the meaning and full form of AYFY CABLE?

ABB, Cable Wireless, Tamboli Engineers, Ecom Associates,

10 33722


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Un-Answered Questions { Electrical Engineering }

What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

944


How RTCC panel is working and give single line diagram for RTCC with transformer?

1793


What is the criteria that generally follow by distribution licenses to fix contact demand of their industrial customers?

366


how can i get the formula to find out the cable size if i know the load of main fuse protection.

636


WHAT IS THE CURRENT CARRYING CAPACITY OF 2.5/3 CORE HI TUFF CABLE,WILL IT SAFLEY CARRY 8.6 AMPS OVER 120 METRES,CAN YOU ALSO ANSWER WITH FORMULA FOR WORKINGS OUT ,THANK YOU 3RDYR APPRENTICE.

1995






What are operating procudures & Safety precautions to be observed while operating OLTC in manual mode ?

707


how does an centrifugal and screw type chiller will work. which chiller efficiency is high and why.

980


we use capister for power factor. when we use capaciter in dg circuit  than defect dg. can we use capaciter bank for dg circuit

452


can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

703


how technical is calculated in 11kv line and lt line

659


can i connect REF and Differencial relay in 1 CT core for transformer protection?

628


When can we take Neutral as common neutral link?

391


what are the range of memory address in plc for L&T lx7 4A

822


What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

1045


how desiel generate sart fail of eb?

793