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 do you mean by isolators and circuit breakers?

Bhushan Power Steel,

6 19174

explain all the classes with example

1911

how to calculate micom relay earth falt time and current sertting

2428

why DOL starter is use in induction motor as it is not reduce the starting torque

Maruti Suzuki,

2 6896

Dsitrubution transformer minimum IR value

1 4177

advantage of using 110v than 230v

NTPC,

1 5998

3 ph motor connected in star delta starter. when we start the motor it run in star but when in is going in delta it trips the main incoming supply. why?

Bajaj Hindusthan,

3 10146

In 63kva LT Distribution Box Why the outgoing of 63A kit kat is connected to 200 A link disconnector? as the output of kit kat is only 63 A?

Godrej, Patel,

1 4214

the fuse is use for protection against overcurrent but at normal condition it carry the rated current then how single thin wire carry this current without melting

1 3987

why rating of transformer is in kva instead of kw?

3 5823

what is inverter

Bhel,

12 14821

Dear Sir how much cable size required from 0.75 kw to 50 kw for electric motor or pump

1 6078

We are getting supply at33kvand it stepdown to 11kv.So Our requirement is 11kv voltage.why we draw 33kv from the grid instead of 11kv?

Birla,

2 5080

Why transformer ratings in KVA not in KW?

ABB,

6 10309

We store the d.c supply...then why can't we store A.c supply???

4 8924

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Un-Answered Questions { Electrical Engineering }

What effect does a very low impedance have on the Voltage regulation? On the short-circuit current?

6249

How would your past experience translate into success in this job?

6841

With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.

1917

Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.

2167

which protection used in power plant?

1901

Explain what is electric traction?

1075

Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1550

Could Please Explain briefly. Why used stabilizing resistance series with High impedance bus differential protection relay.

1739

what is errection pcbs?

1875

We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?

2133

Dear all, i completed M.E(Power Electronics & Drives) 2011 passed out having 78% so i need job in core side but i don't know how can i receive the calls from electrical companies and i uploaded my CV in naukri, times jobs etc.. In that iam not recieved any mails from good companies so give me best procedure plzzzzzzzzzzzzzzzzzzzzzzzz..... Thanks, K.Linga Reddy Email-id:-lingareddykmthm@gmail.com Ph no:-08015402078

1767

what is ps impedance test

2076

why they were using TRIAC instead relay in some controllers and what is the advantages.

1986

i am studying in final year can i allowed for 23rd UES of Indian army

2082

what are the parameters plays a major role in Potential transformer Burden calculation??

2133

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