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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what's mean by Transient stability analysis?

1 3437

what's burden resistor, why it's used?

Bhel, TVS Group,

1 25377

what's transient & sub- transient reactance means?

2 48544

what's ripple content in rectifier? how it formed?

1 4202

what's float charger and boost charger? why it's used?

APCPDCL, PTCL, Rolls Royce, Siemens,

2 45798

In track electrification Either we use single conductor or double conductor? why?

2 5463

In electric motors, according to the no. of compartments, The no. of input's (pantagraph collector's) were increased, why?

1 3320

what's the difference between induction generator and synchronous generator?

IBM,

1 4969

what's the exact magnitude of current, flows through Neutral?

1966

While starting a high capacity motor, it takes 6 times the full load current. Why it doesn't trip relay or CB's in that network?

4 7430

How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

Siemens,

1 5196

HOW TO FIND OUT 1. LINE CURRENT, 2. PHASE CURRENT IN AN ALTERNATOR / TRANSFORMER WHICH IS FEEDING A I)STAR LOAD ii) DELTA LOAD, USING A CLAMP METER. NORMALLY WHEN WE USE CLAMP METER IN A DG SET THEN WHAT DO WE GET?? PHASE CURRENT OR LINE CURRENT.

Bhel,

13 35895

WHAT IS THE THUMBRULE FOR FINDING OUT THE CURRENT CAPICITY OF A COPPER WIRE?? 2.5, 4, 6MM SQUARE ETC...

5 13046

why we step down the voltage from 440 to 220 in machines

4 6814

is there any concept of armature reaction in Induction motor?

4 16875


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?

2040


what is the difference between transformer,converter and transducer

1671


what is the generator rating for 40 amp load of 3phase motor.?? 400v voltage of generator... plz tell me with formula its urgent...plzzz... and also tell me that this 40 amp at all phases mean 40 amp on red,40 amp on yellow,40 amp on blue...... or the total sum of that 3phase is 40 amp....

9231


A logic circuit that provides a HIGH output if one input or the other input, but not both, is HIGH, is a(n)?

1236


We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks

2054


why we r not earthed Control cable of C.T. terminals

2035


Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??

1653


oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

2026


In the ACB breaker capacity is 2000Amp but this each phase taken 1250 But total beldibg load is 600amp or 700amp watt is the problem

1964


how does high earth to neutral voltage affect electronic equipment?

1548


oil cooled transformer

2229


What is the working principle of servo motor? And explain it.

1936


Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

2138


can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?

2302


what is the meaning of osr in transformer.

2147