Classify drilling machines.

1207

Should power factor be low or high?

1220

If you have an earth with pilecap then your resistance is really low. why and how?

2073

how to calculate the power factor when instantaneous voltage and current has harmonics in it ?

2029

can you any one give exact mathematical relation between AC current and DC current?

2056

placement paper samples of mspl company

1986

IN 1000kva transformer where the oil and winding temperature sensors is connected

2567

Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????

1958

234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

2092

Can 4pole (3 phase+neautral )RCCB proper functioning in only 3 phase load (no neautral, no Earth) ?

2199

What is the meaning of floating point earthing in battery backed systems ?

2070

what is difference between earthingpits,earthing grid & earthing mess?

2558

What is online and offline ups? how does it works?

2204

What are chief characteristics of state-space method and its techniques ?

2212

15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

1621