details of siemens automation systems.
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Draw the schematic drg of how a data is transferred to control room from a field instrument....
There is a toy train that can make 10 musical sounds. It makes 2 musical sounds after being defective. What is the probability that same musical sound would be produced 5 times consecutively? ( 1 of _____) ?
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What is meant by pre-emphasis and de-emphasis?
why ic 741 is different 4 m other ic's and y these ic 741 is used in integrated circuits?
what is refractive index?
Why is antenna elevation angle at the ground station for satellite communication always kept above 5 degrees?
what is protocol.what is tcp/ip,http/ftp protocol
write the 10 prime nos program in c++?
Tell me why 440 volts instead of 660 volts in 3 phases of supply system?
what is phase reversal keying
Explain why the shape of op-amp is triangular not other shape?