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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

In directional earth fault protection for generator, one core balance CT is for residual current, what other CT is for, which is placed on neutral?

2 3221

what happen if the supply is given to the stator of the 3phase induction motor with out assembling the rotor ?

1328

HOW TO CALCULATE THE APFC Panel Design

1 3115

what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?

1340

1.What is captive power plant? 2.What is national grid?Give brief idea.

1473

does buccholz in a transformer use batteries

2 3449

difference between circuit breaker and switchgear?

L&T,

6 10165

Why electricity in India is in the multiples of 11 like 11kv, 22kv, 33kv

KPIT,

2 8141

Any Electrical Engineering jobs?Please refer for interviews. Thank you

1259

what is meant by directional earth fault and non directional earth fault? describe both.

1301

WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

1995

what is the difference between an alternator and a synchronous motor

1385

a transformer runs by electro-induction principle like all motors.then why dosen't it rotate just like any other motor

2 3069

what you mean ct ratio? why use 400/5a,200/5a,150/5a ?

1 1869

what is servo motor & how does it work.

1334


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Un-Answered Questions { Electrical Engineering }

What are the basic elements used for modeling mechanical rotational system?

450


I want single line diagram for AMF & DG syncronizing panel

6389


What is pi controller?

495


details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?

1234


what is meant by class 1 E in electrical power supply?

1393






What is the complete procedure of erection of electrical panel in industry

1184


List the disadvantages of constant k filters?

583


What is formula calculation size cable wire ?

1292


the grid connection required for a 50 MegaWatt fotovoltaic powerplant is higher or lower than 35kv (high or medium tension)?

1253


please describe the Transformer setting, Motor setting, I/C setting, Tie setting

1108


i applied for the ap transco please forward the freqventley asked QA

1353


State thevenintheorem?

442


What is bode plot?

639


Explain dc generator with its types?

473


HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.

1251