In siemens S7-300 PLC, what is function and function
block ? What is the difference between them ? When to use
function and when to use function block ?
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what are the pecularity of shaver sockets ?
why is power supplied in 3 phase only? why not in 2 or 4 phases?
what is the function of a circuit breaker ?how does the circuit breaker function during normal operation of an electrical system
PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?
what could be the RMS value and average value of a 4 phase sine wave?
can any one explain about when EB supply failed then how the load will transfer onto DG's step by step.
what is the tolerance for the magnetic balance test conducted on the distribution transformer?
how dc ct works?
how do you find making current and breaking current of the circuit breaker
what is multiplying factor of a energy meter connected with a CT ratio of 600/5 and voltage at 415 volts.
what is residuel magnetism
what is a universal motor? how it works?