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 # 14607

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 5557

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 4694

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

 2 Electrical Engineering 4356



Answers / { tahir wasim }

Question { 31412 }

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 { 7345 }

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 { 4047 }

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