What is the meaning of utility ground and clean ground? How
the distribution panel is grounded?
how oil in the MOCB was reduced compared with OCB? what are
the features of the MOCB?
what is the abbreviation for F.M In FM-200 fire suppression system
what is earth pit , how we can measured it, what earth rods
A 50Hz,4-pole,3-phase,star-connected synchronous motor has a
synchronous reactance of 12ohmsper phase and negligible
armature resistances.the excitation is such as to give an
open-circuit voltage of 13.2kilovolt.the motor is connected
to 115kilovolt, 50hertz supplying. what maximum load can be
the motor torque,line current and power factor?
How to arrange a hous hold earthing system to keep minimum
earth resistance( below 7ohms).
Saving in copper achieved by converting a 2 winding
transformer in to an auto transformer is determined by
A voltage transformation ratio B load on
C quality of core material D size of
how we can come to know that motor winding resistance which
showing by DMM is right or wrong???is there any chart or
something that we will compare & check???
What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?
What is current & voltage ? Voltage perform at any load without current or not?
why transmission is only 3 phase and not 2 or 4 or poly
Draw the vector diagram and condition for the following:
1) Dyn1 2) Ynd0 3) YnYn0
describe the Operation of induction generators from bus bars
What are the types of windings present in the ceiling fan?
What winding will be effective first when we started the
fan?What are the resistance and inductance ratios
comparatively at the initial speed and full speed of the fan?