Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What are difference between earthing switch and earthing truck ? What is the operation philoshopy of earthing truck ? Wht are the component of earthing truck ?

Reliance,

2 22065

Befor synchronissation of Generator what test to be carried out.pl.specify with reason.

Kanoria,

3 6864

What is In (current rating) shown on the MCCB? Is this full load which can withstand by the circuit breaker

4 11462

what is mean by marshalling box in transformer?

Reliance,

8 74905

how the 6.6KV motor can be used with 11KV?

2 8537

What happens if a three phase induction motor is suddenly single-phased while running? Which type of winding connection will be affected?

B4S Solutions, DRDO, FACT, SL Electricals,

22 71991

please tell 1 ton equal to how many kilo watt?? in some converter software's that is 3.5 kw. is it right?

Mitsubishi,

8 20088

for compensate 315mh inductance ,how many capaciance required?

Mitsubishi,

2057

for compensate 315mh inductance ,how many capaciance required?

Mitsubishi,

1 5646

what is meant by line voltage and phase voltage in a three phase transformer?

2 6910

"What is the difference between voltage and potential differnce?"

15 39833

why most of the substations are rated in multiples of 11?

4 8997

how one can design armature winding bothh front and back connection

1 3971

what is the difference between synchoronous and alternator and induction motor and generator

2 15807

How much current flow in no load condition of a motor?

8 12675

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Un-Answered Questions { Electrical Engineering }

what percent do you derate your copper wire when you change from copper buss to copper wire

1993

What is the safety of UPS?

2043

Explain in brief description about the operation of DG sets.

2452

why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

1736

role of europe union in UK safety legistlation (electrical safety)

1772

In a single how much maximum current and watts using

2174

in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

1857

During FEED, you will have all the information with regards to cable. How will you calculate the MTO for MV and LV Cables? what are your considerations?

2479

Batteries used for electrical energy storage are a. Laclanche cells b. Edison cells c. Lead acid cells d.any of the above

1913

What is the estimated total hydropower potential of india?

1138

Do you know what is dry-out test in x'mer

2651

What is the formula to calculate the no load current of a single & three phase induction motor

2283

on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help

1737

why and how voltage sharing in transformer, during magnetic balance test ?

2360

What is the kiosk parts, about them and their functions ? If anybody have some PDFs files or details about this plz send it on tawhidfaisal@Yahoo.com

1936

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