Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what are different type of triping equipmen like MCB,MCCB and their differences

ABB, Schneider, UPPCL,

3 8189

salam,hi, i need to know what the spesification of 300amp msb...

2035

salam&hi, i need to know about how can i calculate an enough current for the new building before i submit it to the suppliers

2094

salam, hi, how to calculate british temperature unit (B.T.U)?

1 3631

How could i check the earth connection of my home using a multimeter?????? If it is possible plz help me....

1 4130

power transmission pole used one support , that only for support or earthing

1964

circuit breaker work alone during fault condition or need any relays ?

4 5982

give information about REM5453 & SPAJ Relays

1 3715

what is the difference between servo voltage stabilizer and general voltage stabilizer?

1 5116

WHY THE SYNCHRORONOUS MOTOR IS NOT SELF STARTING, AND WHY THE STATOR AND ROTOR IS COUPLED?

Essar, GCUF,

3 6237

why induction motor speed is decress with increase in load? how synchronous motor speed is constant?

1 2696

why d.c motor speed decress with increass in load?

1 3705

how balanced in star delta connection ?

2091

what is the value of combined earthing in general electrical circiut?

Cathtect Engineering,

1914

(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

Cognizant,

2186

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Un-Answered Questions { Electrical Engineering }

what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.

2340

explain the Trip supervision circuit

2156

PLEASE SEND ME NTPC RELATED INFORMATION LIKE WHICH TOPICS HAV MORE SCOPE,BOOKS TO READ,CUT OFF...PLEASE.mail at thiru.1203@gmail.com

2109

hello friends..... any one have papers or any study materials?sail ,hpcl...?

1892

What Is Sampling?

1212

Sir, My doubt on cable sizing calculation, Load:74 KW calculated cable 1 run 50mm2. Now client asking us to reduce cable size by increasing runs. Sir, My question now when my mind strikes with 2 options 1) Divide load 74/2 = 36 and calculate cable for 36+36 making it 2 runs or 2) Simply i can divide 50mm2 /2 ie. 2 runs of 25mm2 Please suggest me sir

1942

i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...

1829

HOW WORK HEAT PLATE EXCHANGER

1998

If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

1442

Why air circuit breaker off due to power failure?

1219

What is the phase relationship between the primary and secondary voltages of a transformer?

1095

what is the minimum voltage require to injure our body?

6956

Explain about Leakage Test.

2014

What will happend if given Vfd out put to step up transformer

1823

The loads are connected with phase and ground then why current flow as the loads ?

1975

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