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 is difference between AC VVVF drive & Dc VVVF drive explain their working principle?

Apollo, OPS,

13 48033

why we step up voltage for reducing the loss, even if voltage and current are proportional anr resistance remains same

Sarhad University,

12 28410

how to select earthing conductor size of amy motor/panel etc.

Sony, VBB,

1 10314

How would we calculate the no of earthing pits required for motor /panel

APGenco, National Engineering Industries, Practical Viva Questions,

5 24761

send me the upsc conventional papers of 2006

Juniper Networks, Siemens,

1 3963

what is cogging and crawling

ABB, Ashok Leyland, Bharat Bijlee, BMRCL, MN Dastur, Siemens,

20 85372

for 500mw power production how many range of transformer set in unit please reply if three transformer use .

2 6709

What is power factof?

RRB,

21 27726

What is auto transformer?

ABC, Transformers and Electricals, US Consulate,

28 61872

Why donot sleep below the tree for night time?

12 28528

could mail me the question papers for the test.

ONGC,

1 4115

What is Cement

ACC, L&T, Reliance Cement,

11 20801

why the generating voltage in India is 11kV or why is it be transmitted as multiples of 11

ACC, Bhel, ECI Engineering and Construction, NTPC, SBL, Senthur Power Services,

34 123078

why electric shock due to dc is dangerous than that of ac

44 67407

What is the difference between online ups and offline ups?

Electrical Tech, GMR, Gravity India, HCL, Indus Towers, NIT, Pyramid, Techno Electric and Engineering, UBS,

44 217711

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?

5890

why does make gain margin and phase margin on same plot.?

2045

we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

1681

For R-L or R-C ckt,time constant formula is L/R and RC respectively and its unit is in sec.Pls tell me the derivation

3228

Give details of your interested designation, the post you are interested to serve the company better and explain why you think you can serve the company better in such position if employed?

3301

what could be the RMS value and average value of a 4 phase sine wave?

1829

what is v/f control in VFD?

1500

What is the difference between cylindrical-type and sandwich-type winding?

1420

quantizer means?

1891

What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage

6097

How would you calculate power loss in a resistor?

1029

what is the function of Moulded case circuit breaker, why it is called Moulded?

1514

How to address the servo drive for motor

1962

What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.

2041

how can see the ac indoor or out door ac which Tr

1972

For More Un-Answered { Electrical Engineering } Questions Click Here