Answer / ayaz

analog input/output is continuously  vary signal for example process variable continuously change so transmitter output continuously chnage 
and digital input/output is only zero or one ( o mean off condition and 1 mean on condition ) digital use only on off devices 

Answer / ayaz

dear all I am currently working with omv pakistan i want a job in instrument tech please help him 

Why mixer nd grinder Is example of constant torque load not variable torque load ???

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what is meant by nuclear power plant?

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what is the zero and span trim?

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