Electrical Engineering Interview Questions
Questions Answers Views Company eMail

If induction motor load is incresed motor speed decrases.But in syncronous motor load incrases speed canstant why?

5 17353

how induction generator generated the power without excition like syncronous generator.

3 4651

what is function and advantage of double delta winding in induction generator?

1 3060

WHAT HAPPENS IN DIFFERENTIAL PROTECTION IF CT REACHES ITS KNEE VOLTAGE POINT?

Jindal,

4 9325

what is RMU ?

MacLellan, Shalaka Infra Tech,

26 109193

for ac networks if the voltage wave form is V=Vm sinwt here the voltage Vm=230 for the frequency 50hz then the time period is 0.02 sec then for the time period 0.12 sec what is the voltage

4 17636

testing of transformer

Vijai Electricals,

1 3738

why transformer core is eathed?

ECE,

7 28758

NOW A DAYS THE POWER SUPPLY IS VERY LOW.SO THE FLURESCENT TUBE LIGHTS ARE VERY DIM.IS THERE IS ANY WAY TO INCREASE ITS BRIGHTNESS?FOR EXAMPLE ANY CONVERTER,CONDENSER?

Bhel,

1 3493

what is the difference between ELCB and RCCB

Concorde, Hyundai,

5 10964

How to design constatnt power source with variable current and Voltage.

2 3754

where can i get the previous years question papers for APGENCO exam.

3009

What is the meaning of Dyn11 of Transformer.

17 126646

why return path in terms of neutral is required please give a relevant answer

3 5248

Name different types of circuit breakers and their voltage ratings?

NTPC,

11 37313


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

On what cycle does thermal power plant operate?

619


i want to know that what is the eligibility critaria for ongc exam?

2542


Can we Co-ordinate relay in Load Break switch?

1458


In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?

1505


Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.

1526






How to calculate Voltage regulation of 22 KV Over head Line.

1167


A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .

2114


in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.

2582


what is the use of the puls transformer in UPS & how it works???????????

1637


what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????

4182


What is the cut-off rate?

683


Merits & Demarits of Oil circuit & Air circuit breakers ?

1577


In convertor can we use rectifier thyristor in place of invertor thyristor with explain.

1353


any one can explain the stages of a knee point which is taken during ct magnetising curve.

1296


how many types control panel of a 132/33 kv substation

2197