What quedtion to ask a electrical maintenance technician?
Answer Posted / kulandai selvam
i want electrical maintance question&ans ple
Is This Answer Correct ? | 16 Yes | 3 No |
Post New Answer View All Answers
Please elaborate th´evenin’s theorem?
please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.
How many types of interlocking use in screw type air compressor,make-Kaser(BSD MODEL)?
th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.
what is meant by tranformer impedance?
Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.
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???
pre arcing time of ehv breaker
What is the basis for framing the rules of block diagram reduction technique?
What are the different sign conventions used in electric circuits?
Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet
if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?
What are the transformer losses?
Please brief working principle & construction of permanent magnet AC Servo motor
why different series of vfds (like allenbradley)are used in industry ?