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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to calculate the motor winding resistance ?

Forbis, L&T, OEGI, VTI,

21 121358

check list of maintenance of transformer?

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

11 112781

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

Suzuki,

3 10606

what is relay

HPCL, IOCL,

15 17595

what is over cureent protection

Anil Group, MPSEB,

3 6653

how will protect transformer agint overcurrent protection

MPSEB,

6 10068

control & auxilary circuits used for circuir breakers

1850

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

4 7790

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

3 5285

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

Cipla,

1 4093

Wht ar the reason for low voltage on consumer side?

6 9293

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

Bharti,

3 7585

Wht is the meaning of floating neutral

Cipla,

9 30910

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

8 13555

what is the meaning and full form of AYFY CABLE?

ABB, Cable Wireless, Ecom Associates, Tamboli Engineers,

10 52149


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

is IS says that neutral should be brought to switch box. and this one is a recomended practice

1823


If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

1854


75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

3677


what is smartµ grid technology?under coal gassification?

1911


If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference?

5169


In MEP Services what are parts of STP and what are there function?

3508


How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.

1767


Why in 6 KV XLPE cable termination kit used and why not in 380 V xlpe cable same is not used

2587


If I want to connect a capacitor bank on the HT side of a 11kV/415V, 3 phase delta-star distribution transformer to supply Reactive power to it..what practical specifications of a Capacitor bank that can i've??please reply..

2453


what is the difference between earth leakage and earth fault?

2261


what is the principle of operation of CFL ??

2622


In cable sizing calculation (determining the max route length of cable) why we choose the shortest length between cable length of full load current Iflc & starting current Istart?

3267


What is the difference between electronic regulator and ordinary rheostat regulator for fans?

974


what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

2232


A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

1918