Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what happen if the parallel generator phase angle shift by 1 degree in manual mode

EEEC, MEC,

953

critical losses of transformer

EEEC,

3 3605

what efficiency at 70% loaded transformer

EEEC,

1 1060




PLEASE SEND THE PREVIOUS YEARS QUESTION PAPERS OF RRB JUNIOR ENGINEER-ELECTRICAL

847

what is the difference between KW and KWh?

9 9206

what is rms value?

2 3665

does not the circulating current in a transformer affect the flux distribution in the transformer core

832

How can i calculate knee point voltage of 800/5A Current transformer?please explain me with suitable calculation?

2 8571




how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids

883

What is the function of restraining coil in differential relay? as well as restraining current?

Siemens, Medical,

8 35843

A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

4 8391

what is the difference between STAR and DELTA connection and application wise how it can be utilizedd ???

1127

what is the breakdown voltage value in BDV test in transformers?

TATA, Siva,

6 30485

how to connect the three phase capacitor in three phase star/delta connection motor?

1 4316

please send privious years question papers of jindal steel and power ltd.My e mail id is rajanikant.sngh@gmail.com

Jindal,

1065


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Un-Answered Questions { Electrical Engineering }

What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines

694


What is the difference between Encoder and Resolver?

2181


can i use ups power as a raw power for another ups

833


What range of speed can you get with the armature control method of speed control of d.c. Shunt motor?

60


how to find Harmonics and types as per the equipemnts

112






what is the safty of poly phase tranformer?

985


HOW TO CALCULATE THE VT SIZING?

1510


either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?

855


How can we choose the rating of submersible motors

1615


HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?

1019


11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter

343


hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...

1478


How to assume answer to electrical questions

368


Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

1517


What is the emf equation of a transformer?

70