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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

hello every one, what is the difference between the Kvar and farads, Rating on Power capacitor is for eg: x kvar, and normal capacitor is eg: x farads. what is the relation between these two?

3 7260

what material is used in capaciter

1972

What should be cable size for 75KVA 380/220 3ph transformer

3 5431

why two contacts(in series) are using in closing circuit

3 5949

What are the uses of MCB & ELCB ?

2 7326

explain the existence of reactive power in electrical engg?when it generates?

1 2563

Why have the transformer one earthing to their neutral? Why have the transformer many earthing to their body?

1 3882

what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

10304

when we should use Central Battery system and UPS system and why? in other words, what are the differences between the two systems?

1 16577

hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

1922

1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?

2907

In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

1874

Differences between 415v ac and 440v ac

3 21504

why is the HT voltages are in multiples of 11KV

Clariant,

1 4179

what happen if one of 3-phase line has a much higher load when we are using delta to star transformer? how we can over-come from that?

Getco,

2 6086

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Un-Answered Questions { Electrical Engineering }

i have done diploma and btech in EE and live in Chandigarh so kindly help me how can i make my competency certificate in my area.

2216

DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?

5226

what is level 2 automation?

3152

why we r not earthed Control cable of C.T. terminals

2035

What are the roles and responsibilities of electrical engineer in cement plant

2031

difference between servo motor and synchronous motor

2330

HOW TO CALCULATE EARTHING SIZING?

2162

what is mean by PIR in circuitbreaker and give me detail of that?

3517

Is there any standard guidelines/Criteria to design NGR/NGT.?

2841

sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

2226

How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

2796

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

1730

how to calculate the loss tangent of electrical cables

2073

If short circuit ratio is high is it bad or good for a machine then tell the reason...

2033

how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?

1137

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