Electrical Engineering Interview Questions
Questions Answers Views Company eMail

can any one help me for my ups inter view , list out few basic technical ups question with answer.

1 2534

what is breaking capacity

1 3296

HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA

ISRO,

1499

if any one phase of the 11kv/415v distribution transformer not delivering the supply voltage what will happen

2 4116

what is strip power factor?

TATA,

1608

What will happen if the voltage in my house drops from 220V to any lower voltage?

1627

diff b/w normal grounding and resistance grounding

1382

why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

1486

What is Procedure the procedure to select CT's & PT's in 66kV and above substation

1 2246

Why we apply only reduced voltage to the alternator while conducting slip test ? also the current increases to a larger value with reduced voltage itself Why ?

1 6214

What are the main problems in distribution? I have to do an assignment so which problem should I choose? Like power factor problem etc.

4 4533

In the diesel generator if there is an AVR (auto voltage regulator) gone faulty, in this condition is there any way to generate the voltage from the alternator? I need a brief explanation can you please help somebody

Vodafone,

1 4887

Can anyone tell the proper diagram of star delta starter????

1447

how to calculate singlephase motor efficiency?

Alstom,

1698

can you any one give exact mathematical relation between AC current and DC current?

1366


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Un-Answered Questions { Electrical Engineering }

Why is tan-delta test and capacitor measurement done on alternator?

1652


internally connection of photvoltic module

1427


USE OF 8 WAY PAN ASSEMBLY

1468


What is the name of the winding from which the supply is taken for load connections?

604


Different types of relay fault which phase sequence??

443






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

1604


How to address the servo drive for motor

1515


how to calculate magnetic force genrated by a coil ?

1696


What is the suitable transmission voltage?

653


why power factor is important?

8202


Can we Co-ordinate relay in Load Break switch?

1457


What type of a DC motor would you use for a lift?

646


what is proper capacitor placement? How to evaluate capacitor size?

1618


what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

1793


In convertor can we use rectifier thyristor in place of invertor thyristor with explain.

1353