Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the maximun current carring capacity in per phase for three pole 100anps rating ncb

L&T,

3 5202

I am having dual speed motor of cromton greaves make of 3.7 KW -1400 rpm and 5 KW - 900 rpm. Please let me know groups and winding connction for rewinding purpose.

724

what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?

1154




what are the effects on an power plant and consumers if the power factor is increased or decreased?

2 2330

What type of fittings and electrical accessories can be install in radiation area ?

535

in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.

738

why in electric train we can't feel current & generally we have get socked in our normal electricity ?

3 3157

what is the diffrence between kav and kvar?

5 16457




why generator and t/f ratings given in kva?

2 4535

what is the diffrence between dol and star delta strater? why star delta starter used instead of dol?

3 6001

what is the rating of boiler?

4 4948

How you calculate the repturing capacity of a HRC fuse

CPCL, RSCL,

1135

What is the exact load current needed for a place which has 100nos of bulb of each 100w?

2 2091

Can anyone explain me about the capacitor calculation

736

difference between shunt coil and tripping coil

GE,

7 54042


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Un-Answered Questions { Electrical Engineering }

CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor

183


What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

897


How to define Kirchhoff current law and voltage law along with simply examples.

343


WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?

665


Basic motor transformer generator

65






how to select automotive wire by mathematical equation with given current, vlotage and resistance

969


What would be the size of wire used for 2 Ton of window A.C?

663


What is the different types of cable & current capacity of cable

671


How can we choose the rating of submersible motors

1327


hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.

697


PLEASE INFORM ABOUT THE IDEAL TEST RESULTS OF MAGNETIC BALANCE TEST OF TRANSFORMER 33/11 kv DELTA-STAR T/F

757


What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?

172


WHTA IS LIMT OF LEAKGE CURRENT OF 11 KV 1 CORE 1000SQ.MM. XLPE CABLE.LOAD ON CABLE IS AROUND 600AMP .LENGTH 500 MTRS.

658


33kv substation lay out details & line to line & line to earth measurements

1239


how many testing is necessary for 27 MVA transformer?

720