Interview Questions Answers in Electrical Engineering

tahir wasim

{ City } bannu
< Country > pakistan
* Profession * supervisor
User No # 60658

Total Questions Posted # 3
Total Answers Posted # 3

Total Answers Posted for My Questions # 6
Total Views for My Questions # 17367

Users Marked my Answers as Correct # 13
Users Marked my Answers as Wrong # 9

Questions / { tahir wasim }

Questions Answers Category Views Company eMail

WHEN SINGLE PHASE SUPPLY AS 220V, WHY THE 3 PHASE- 4 WIRE MEASURED AS 440 VOLTS INSTEAD OF 660 VOLTS (220 VOLTS PER PHASE i.e 220x3 = 660 volts ).

1 Electrical Engineering 6264

WHEN WE TOUCH THE BOTH TERMINALS OF BATTERY WHY NOT THE D.C BATTERY GIVE US SHOCK SUCH AS A.C SUPPLY?

3 Electrical Engineering 5785

WHAT IS DIFFERENCE BETWEEN POTENTIAL DIFFERENCE AND E.M.F?

2 Electrical Engineering 5318

Answers / { tahir wasim }

Question { 33927 }

WHAT IS THE DIFFERENCE BETWEEN KW AND KVA ?

Answer

WHY KVA PRINTED ON TRANSFORMER INSTEAD OF KW.

Is This Answer Correct ?

3 Yes

4 No

Question { 8787 }

Why is DC use instead of AC for protection and control
circuits?

Answer

Protection of a system is very necessary factor which
require fast response during faults. For protection of a
power system the D.C used instead of A.C because there are
many problems in A.C ( quantities variation problems, slow
response problems etc).

Is This Answer Correct ?

2 Yes

4 No

Question { 4729 }

What happens to the synchronous generator when reverse
power is given to it?

Answer

IT WILL BE RUN AS SYNCHRONOUS MOTOR.

Is This Answer Correct ?

8 Yes

1 No