Question { L&T, 48607 }

WHY THE FREQUENCY IS 50 HZ IN INDIA.CAN WE USE SOME OTHER
FREQUENCY.IF SO WHAT IS THE RANGE AND WHAT WILL BE THE
EFFECT IN PRESENT POWER SYSTEM IF WE CHANGE THE FREQUENCY
AS YOU SUGGEST ?

Answer

it depends to equipment rated hz some equipment has
indicate 50/60HZ as you can see to the name plate... when
your equipment is 50HZ and its indicate as above it can be
use...

Question { 8820 }

How one can check the faulty capacitor, diode when
connected in the circuit ? and when you can not take them
out ?

Answer

its simple to check them electronics component... first,we
have called capacitance meter for "Capasitor,you can check
for leak and faulty, capacitance means uf (micro farad.two
types of faulty "Capasitor, Leak and called white subtance
oszing. "Daiode you can check faulty the two terminal when
its test to polarity forward/reverse has continuity mean
Shortage. 500ohms good below 500ohms means leak.

Question { L&T, 115091 }

How to calculate the motor winding resistance ?

Answer

first, know the rated voltage and rated current amp. then
calculate it... use formula to compute it. V-I=R try this
formula...

Question { GM General Motors, 40158 }

Can motor act as generator (OR) vice versa? explain how
does it do please post the answer technically

Answer

yes motor can act as generator. but including a/c stator.
when motors only No,it can't...