How to do cable earhing? whether by grounding Armour to
ground or by running extra G.I wire along with cable?
which one is preferred mostly amoung them? If the second
one is more preferable how many GI wires to be run along
with cable (1 or 2)?
Is it possible to measure correct value of earth resistance
& cable insulation ristance with out disconncting earth
lead & both sides of cable ends?
If not, any other method to measure ER & CIR with out
disconneting from the system.
how copper and aluminium wires or cables are choose for
current rating? please provide copper and aluminium wire
selection chart for different current rating ?
why phase plates are used in transmission line????
If we have to find the inductance of a dc shunt motor then by
giving dc supply or ac supply and what is the reason for it.
(this example is from "to determine the transfer function of a
dc shunt motor ")
what is the differation bewreen kwh & fundamental kwh in
electronic trivector meters
Arrangement of earthing materials.like what we put first charcol,then salt.then plate.
Plz answer me about that.
how does ELR works? explain
why on axial hitting up of air blast on hydrogen produced in
oil circuit breaker,temperature rises of the core of the arc?
distribution is maximum done by a)radial b)network c)
parallel d)b & c
To make a basic instrumentation amplifier, it takes
A One op-amp with a certain feedback arrangement
B Two op-amp and seven resistors
C Three op-amps and seven capacitors D
Three op-amps and seven resistors
what is encoder & its use?
what is the reason for indication of light in the earth
lamps of main switchboard.if there is an earth why does one
lamp get dim and the other two bright.
Why is a synchronous motor always star connected??
What will happen if a dc source is given to a tubelight.
Will it work or wont it work....
WHAT IS START TO INDUCTION MOTER IN STAR TO DELTA OF >5HP ?