what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)
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What is the formula for calculating no-load current?
In order that work may be done:(a) Two wires are necessary(b) The circuit must have a switch(c) Coal must be burnt(d) A supply of energy is required
how can we calculate the ratio of caustic soda and water in lrs.
technical questions asked by visa steel interview plg get me!
how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc
Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?
how to discharge 3 phase power factor correction capacitors
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What is difference between miniture circuit breaker and module case circuit breaker up to 63Amp.
In underground cables,we have a grading method called 'capacitance grading'.Why is it called 'capacitance grading' although we do not use any capacitor in it?
what is the meaning of TPN
why the AC or DC motor takes high starting current?
I try to check the three phase voltage in multimeter, in 125A isolator switch incommer. first i touch R phase, and then i touch Y phase using multimeter, the moment i touched, it blasts and that moment i got blindness. multimeter selector position is correct(750V AC MODE AND RED PROBE WASS IN v AND BLACK PROBE WASS IN COM. MODE. COULD ANYBODY GIVE ANSWER FOR THIS TO AVOID FURTHER ACCIDENTS PLEASE?