Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how the capacitor work on dc?

1 3887

What do u mean by Line voltage Monitor?Where it is used in a Power system?

2 15533

What is the function of Harmonics filter, and how to calculate that rating of the energy saving?

1 2994

how to protect transformer

2 4572

how we can calculate earth fault current?

Alchemist,

1 4448

what is the meaning of transformer short circuit test?

HZL, L&T,

7 19074

what is the all safty name of diesel genrator?

Adani,

2 4363

what is the safty of poly phase tranformer?

Adani,

1637

what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.

Power Grid,

1649

Why are use 22 kv 3ph supply ?

IOCL,

1 3373

how do we connect mcb in our home?and how does it work?

IOCL,

3 13937

different b/w counter poise and ground wire

L&T, TCS,

1 4655

In a synchronous machine if the field axis is ahead of the armature field axis then the machine is ?

1 2803

why do we use 25kv supply for traction purpose?

Bhel,

1504

how can we avoid magnetostriction in transformer?describe the suitable methods.

Bhel,

3 6696


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Un-Answered Questions { Electrical Engineering }

Explain forward resistance, static resistance and dynamic resistance of a pn junction diode.

625


How to design harmonic filter at the project stage without nowing the harmonics levels

1775


What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

1450


How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

1147


State the formula for overall efficiency of thermal power station

2531






Name of the relay of low lub oil presuure in DG sets

1587


any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

1810


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

1506


Explain advantages of storage batteries

636


How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?

4876


Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????

1537


hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why

1458


1.how many types of relays? 2.difference between ATS& STS?

1650


how  do you choose the cable size as per amps rating & the voltage drop for the same.

1331


Why are cables rated for 40 KA for 0.25 Sec fault current rating?

1507