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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a campus site?

2 5014

If the ceiling fan is on slow speed, does it consume less electricity?

2 9181

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

Focus,

2 9327

What is maximum AC & DC transmission voltage in India? and where?

12 37243

why we get 2 differnet values for power factor in 2 watt meter method in 3 phase

1821

what is the resultant phase shift in a 3 phase power system including neutral if on or more phases gets grounded or short circuited. kindly explain in detail for the reasons...

Enercon,

1 5769

what is the radio of kva & kvar or why calculated kva & kvar

3 6218

Why inverter rating in KVA?

3 17841

is that a problem if i connect a single phase load to a secondry delta connected transformer but i get a neutral from other transformer i the system?

1804

what is cascade speed control device?and how this device control the speed of motors?

ABB,

2113

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

Focus,

1 4775

When do you use a VFD motor?

3 6784

How many 2 ton window A/c can runs on a 125 KVA generator?

7 32073

Why tripping not occur when the transmission breaks? Doesn't we provide earthfault protection for it?

1 3363

What is Bolted fault?

2172

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Un-Answered Questions { Electrical Engineering }

i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.

1902

Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?

1927

Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

1611

electrical knowelge

1124

why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?

2055

what is under coal gassification?

2034

Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason

1862

Is Transol transformer oil comparable to nynas nytro libra?

3074

What is Phase margin?

1064

My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

2062

What happens if i apply 500V to 440V rotary Switch ?

1793

What Maximam Gap Taibaar & Bush

2273

i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

2198

what is difference between speed mode and torque mode in motor?? explain in simple words please.

1560

EXPLAIN USE OF ROCKING ARRANGEMENT IN ELECTRIC HEATING?

1885

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