Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what solid earthing means?

3 12793

difference between a four point starter and three point starter

9 69635

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

9 12370




enlist types of dc generator

Philips,

8 8810

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

Reliance, SCL,

3 5307

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

Bhel, Regal Beloit,

2 11544

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

Aegis,

1057

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?

Siemens, Engineers India, GCC, KP, QPSL,

6 11685




EXPLAIN THE TRANSFORMER MAINTENANCE?

Enercon, ERT, GEL,

935

errection check list for transformer maintenance

RRB,

1196

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

Thermax,

2 8798

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 2500

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

2 2536

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 19184

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

Wartsila,

5 10853


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Un-Answered Questions { Electrical Engineering }

why does the magnetic balance tests at transformer?

625


HOW TO CHECK THE VECTOR GROUP OF A TRANSFORMER YD11?

2305


what is the difference b/w ground & virtual ground?

960


What is the range of the stator resistance of 3 phase induction motor?

694


Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

710






tell me about eletrical contractor

730


what is earthing.how we make it,describe briefly.

1068


EXPLAIN THE TERMS "INTEREST AND DEPRECIATION" AS APPLIED TO ECONOMICS OF POWER GENERATION.

894


how external lighting design? please give examples?

691


What is the difference between indoor and outdoor transformer

1701


what is formula to cal cute earth pit numbers and size of earth strip used in earthing?

980


why genarator genarating voltage 11 KV?

413


can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

1819


what is meant by twilight switches 7 where its applicable ?

666


pls someone send me sample question papers along with the key.thanks in advance

1006