Why field rheostat is kept in minimum position?

1187

How can we checked Killo Watts of Motor & Alternator?

2105

1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

1962

if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain

1257

what is the interrelation between voltage current torgue speed and magnetic flux in case of different types of electric motors

2042

can we synchronize star system generators with delta system transmission line ? and how ?

2789

What are the insulation standerds for eg H clase and how many insulation standerds are there and its standerds??????

1919

State the factors, for the choice of electrical system for an aero turbine.

1132

how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?

2090

What is Control & Relay Panel? And Remote Control Center?

2186

What is tan delta & PPM in transformer? and whats its IS value?

2096

1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.

2028

I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

1907

In dc ckt. 24v or 110v, which one is more efficient and why?

2188

can anyone give an idea about dia calculation in cold rolling mill

1595