Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what are the types of cables?

3 5056

suppose there is afault in transmission line connected to a generating station, then what r the adjustments u will take to without loss of synchronism?????

NTPC,

2 3988

what is the difference between UPS & Inverter

HAL,

7 12041

What is the reasonable voltage between Neutral & Earth of an electrical system for good earthing?

HAL,

6 9967

What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?

HAL,

1390

What is the current carrying capacity of 0SWG,3SWG,10 & 12 SWG solid bare overhead copper conductors?

HAL,

2966

what is starting current and use of starting current?

3 6906

during parallel operation of two ac generator which condition must match before taking both parallel i.e speed /voltage rating /kva/exciation

2 8396

model question paper for supervisor trainee

Bhel,

1607

what is the current density of copper & alluminium.

1510

Can 60 Hz transformer be used inplace of 50 hz transfromer?

1 5296

IF i have switchgear with busbar current rating of 1000Amp 35kA then is it necessary to have outgoing breaker kA rating to be equal to busbar kA rating?

L&T,

6 12218

The cable area of cross section is 185 sq mm. How to convert this to the diameter.

Syscon,

7 14362

can we use transformer for 70 Hz?

6 6570

can transformer develop three phase poer from a single phase source?

2 3602


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Un-Answered Questions { Electrical Engineering }

What do you mean by the zone of protection?

628


plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.

4521


What is the size of a 60 watt and 80 watt tubelight?

1755


how net resistance islow in star connection and viseversa in delta connection...? if anybody could explain in detail it wud be helpful.

1130


What was the Dg set radiator and lube oil temperatures trip in ACB

1353






why you don not show protection and type of isolation in key single line diagram?

1492


1.what is the funtion of chiller primary & scondary pumps. 2.what is the use of distribution lines & Types. 3.what is the use the thermal power stations & how much capacity.

1533


what is the correct method for the outdoor termination of 19/33 KV HT cable step by step?

1641


What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

744


why steady state stability limit is greater than transient stability limit ? How it can be explained ?

2432


can i use the six sigma method which is used in management area, in state estimation of power systems?

1387


what is the significance of tan&delta and how it performed in power transformer

1440


What is the dc grounding system and what is diff between AC/DC grounding system?

1632


Inductor and capacitor........power in one phase and ...... in it another phase.

1609


How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.

2882