Electrical Engineering Interview Questions

How much load can be taken for chiller from 1500 kva transformer

108

How to use earthing on shipments.

143

Did RMU have ct and pt ?

122

what is high and low cut off voltage of BB and DG at SPS????????

259

can some one clearly explain why -48 volt DC use in telecom site????

310

What is line resistance of cable & how it can be measured ?

248

What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?

294

3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

114

What happened when capacitor connect series in ac circuit?

202

Efficient electrical earthing in hard rock area

189

In Electrical 'Single Line Diagram' cable nomenclature shows "2 X 1C X 630sq.mm to be provided for one incomer. The question is how many cable to be proved for one Incomer.

204

how does high earth to neutral voltage affect electronic equipment?

202

how does high earth to neutral voltage affects electronic circuit?

299

What is the formula of frequency ?

188

difference between Ac and Dc mcb ????

193

Un-Answered Questions { Electrical Engineering }

The Howland current source produces a A Unidirectional floating load current B Bidirectional single-ended load current C Unidirectional single-ended load current D Bidirectional floating load current

854

What is the simplest formula to calculate the rotor diameter of a synchronous generator?

1060

I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME

666

What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)

1822

how is control wiring coding is done in a CRP panel ?

777

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

747

what are the pecularity of shaver sockets ?

711

1205

If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

112

In ht capacitor ckt we are using LBS Panel it having isolator with fuse, one of HT fuse flash over, so what is reason behind this event.

839

ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

902

what are the ''pitting rings''and how cn they be controlled in a series generator

662

what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer

1202

Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm

908

what is the excess air in furnace

837