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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what solid earthing means?

 3 16954

difference between a four point starter and three point starter

 9 76212

wts d diff b/w C.T. & P.T.?

 9 16465

enlist types of dc generator

Philips,

8 12820

plz tell me in detail about c.t. and p.t. ?

Reliance, SCL,

3 7721

How to calculate electrical Induction motor heating and cooling time constant,11KV,2850,12P,SCIM

Bhel, Regal Beloit,

2 16741

In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?

Aegis,

1871

for 1000kva transformer how kvar rating is need for this PFI plant. and how does it will calculate? and Apmpere rating of main cable connection?

Engineers India, GCC, KP, QPSL, Siemens,

6 16301

EXPLAIN THE TRANSFORMER MAINTENANCE?

Enercon, ERT, GEL,

1785

errection check list for transformer maintenance

RRB,

2170

how we select the fuse and OLR rating for 3 phase induction motor from 1HP TO 100 HP?

Thermax,

2 11422

our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage.

 3 4161

if we are using ACB in a panel the how much clearance do we need in panel room.

 2 3964

For Synchronisation of DG Sets Sometimes we people use NIC (Neutral Isolation Contactor) Instead of 4-pole ACB or any switchgerar..Please guide me why is it so????

Piramal Glass Limited,

4 28418

can we use metering current transformer as protection current transformer if not why? & if yes why?

Wartsila,

5 14844

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Un-Answered Questions { Electrical Engineering }

What is ST and specify its range of voltage.

1497

What are test signals and their significance?

623

sir iam a 3rd yr eee student.no core company comes for recruitment to our college.my aim is to be placed in l and t.tell me the procedures.

1503

We have given to 3phase supply to ups system & how can coming netural

1640

WHAT IS ELECTRICAL MAINTAINTENCE ?

1552




pls tell us AC plant are how do work and parts name with picture

1446

How to choose size of the cable w.r.to current carrying capacity ...

1674

What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.

1831

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

1457

what is efficient motors and how it is different from normal induction motors

1417

What is nichols chart?

760

am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?

1349

if sf6 gas low in gis what will happen

372

how is the incoming cable size calculated for a given current rating of a panel??

1424

List few applications of d.c series motor?

694

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