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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why do we have another cartridge filled with oil fitted at the bottom silica gel cartridge in power transforers

1 3644

why transformer rating is mentioned in kva?

JK Electric Works,

1 5081

what is the formulae of calculating voltage drop?

2 4854

High Voltage out door substation-annual maintenance, things to be considered

1 4040

How much current can a 3-1/2 core 100 mm wire carry?

Epitome, Focus, Focus Energy,

3 33078

1 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?

Focus, Focus Energy,

3 25269

Whis machine is having higher efficiency Transformer or Generator

2 4828

What is the latest generation of circuit breakers called?

Epitome, Focus Energy, Jakson, KDC, L&T,

3 23931

What are the special cables required for explosion proof wiring?

IVRCL,

2 16708

What is the similarity and what is the difference between relays and PLC?

NTPC,

3 28860

The company is wiling to buy you 5 pcs of equipments in your electrical tool kit. Plz tell what are the 5 things you want?

3 24961

Suppose an electric motor with a controller is not working. What is the sequence of testing you will do in your troubleshooting?

Emerson,

2 24653

how the BDV of the oil will be checked using moterised controled HV SET?

1 3837

What is an Isolation Transformer? Where it will use?

3 5614

What is the latest generation of circuit breakers called?

Focus, OPTCL,

1 6035

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Un-Answered Questions { Electrical Engineering }

1 Ton is equal to how many watts?

1101

2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

2321

How to calculate the electrical load for a standard telecom BTS shelter and choose the DG set capacity for the same load?

3191

What are the limitations of Kirchoff's laws?

1591

Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?

1867

I Just want do EHS Certified Certification Distance Course From Govt approved,so can any body provide me details.

2135

Difference between low impedance and high impedance Restricted Earth Fault

3123

what is the basic construction diffrance between servo motor ans sqiralcage induction motor

2481

How do we calculate transformer oil in liter from the rating of the transformer.

1674

Transmission through a short line depends on

2263

At what speed 1 HP motor can run an electric car of weighing 400 kg?

1583

Could you measure voltage in series?

1276

I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?

2314

What is the voltage gain or transfer function of amplifier?

1144

What is a copper loss or i2r loss pc?

1150

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