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Electrical Engineering Interview Questions

what is hystersis loss?

4146

what is eddy current loss?

3780

what is back emf?

Bhel,

6671

what is reluctance?

TCS,

31499

what is inductance function?

3114

100V supply is appllied between 500K Resistance bulb. for 1 kwh energy, how long time the bulb will glow? explain the calculating method.

Bhel,

3359

why dc supply is not applied for step up or down in transformer

3926

What is the direction of rotation of blades in a table fan and in a ceiling fan ?

12599

what are feeder pillars & panels?

25732

how vector surge relay works ?

BFL,

41980

WHAT HAPPENING TO TRANSFORMER???? i have the step down transformer rating 230/12v, power rating something.,,, ok. suppose iam giving 12v to secondary side,what will happen on primary side.,,,

6858

what is second harmonic, how is effect transformer ?.

DEWA,

8159

why fuse is not applicable for nutral and what will happen when it applied.

4429

Bhel supervision exam question: If 2 generators are working in a network. And if suddenly the field of anyone generator weakens. What will happen in the network? 1. The generator will run as motor 2. The generator will run as motor in reverse direction 3. The generator will take lighter load 4. The generator will take more load

Bhel,

8441

what is induction motor

3165

Un-Answered Questions { Electrical Engineering }

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

1567

In MEP Services what are parts of STP and what are there function?

1714

In a simple spur gear train, gears with 24, 48, 32, 72 and 96 teeth are in sequence. The gear with 24 teeth runs at 900 rpm. The speed in rpm of gear with 72 teeth is

245

Why field rheostat is kept in minimum position?

243

what is the chiller and working principal

1429

plz send me the procedure and syllabus for mseb exam

2929

What is the difference between resistance grounding system and resistance earthing system?

191

following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?

1252

how to determine motor size for a fan application?

1279

is all the servo motors having brake?please specify which servo motors having brake for stop on position and which are not.

869

What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?

1209

how generator load test is conducted?what are the steps?

695

What is the lower limit of break-down voltage of converter transformer.

1022

How can calculate the rating of a alternator for a given specific load with formula

1413

For high frequency application we use which transformer?

920