why we use the fuse in only one wire? althrough in ac current the current flows in both directions. why the neutral wire can be taken half the magnitude of phase wire while same current returns from neutral wire?
Bhel,
2 Electrical Engineering 3935common base transistor is connected in the circuit requiring- a)high current gain b)high voltage gain c)high input impedance d)high power gain e)none of the above
Bhel,
7 Electronics Communications 7314in thermal power plant the steam produced is made to cool after falling on the turbine blades. my question is why this is done while the same is needed to heat up again. "jab pani ko wapis garam hi karna hai to thanda kyu karte hai"
Bhel,
11 Electrical Engineering 14897we have read that when the piston goes up and down then the engine works i.e. the suction,compression etc etc. then what happens in the case of big vehicles, which start at stable condition, i.e. how does their piston moves when they are at rest. how suction,compression etc
Bhel,
5 Mechanical Engineering 5982why the LED of my electrical meter glows even after the line has gone. what actually the reason?
3 Electrical Engineering 4778
Question { 8710 }
what is reactive power?
Answer
Is This Answer Correct ? | 0 Yes | 0 No |
Why do we give DC excitation to AC Synchronous motor??
Answer
Is This Answer Correct ? | 46 Yes | 6 No |
Question { 5674 }
to improve the existing power factor whether capacitors
have to be added in series or parallel.and why
Answer
Is This Answer Correct ? | 3 Yes | 0 No |
Question { 8499 }
1.Defination of Graund earth and neutral
2.
Answer
Is This Answer Correct ? | 0 Yes | 0 No |
Question { 8382 }
in trains i have seen the terminal which is connected at
the top of the train is positive .where is negative ?
track? i dont think so
Answer
Is This Answer Correct ? | 2 Yes | 0 No |
Question { 11937 }
WHY SECONDARY OF CT SHOULD NEVER BE KEPT OPEN CIRCUITED?
Answer
Is This Answer Correct ? | 3 Yes | 10 No |
Question { 5768 }
what is frequency? and its importance
Answer
Is This Answer Correct ? | 2 Yes | 0 No |
Question { 3723 }
I know current,volt,powerfactor of an electrical line. In
this line how I will calculate Active power and Reactive power
Answer
Is This Answer Correct ? | 6 Yes | 1 No |
Question { 12392 }
in our sub station why we step down firstly 33kv\11kv then
11kv to 430v. can we direct step down 33v to 430.v.
Answer
Is This Answer Correct ? | 0 Yes | 8 No |
Question { Torrent Power, 10365 }
what is frequancy
Answer
Is This Answer Correct ? | 3 Yes | 5 No |
Question { 28421 }
what will happen when excitation of a synchronous machine
is suddenly reduce to zero when it is running at full
load..??
Answer
Is This Answer Correct ? | 2 Yes | 5 No |
Question { 4889 }
why we are using2 wave trap in a feeder?
Answer
Is This Answer Correct ? | 4 Yes | 0 No |