what do you mean by smart instruments?explain with example
Answer Posted / abdul mubeen
which uses microprocessor
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Pressure tx shows 1 mbar but we need 1000 mbar at this process condition .. how can we sort it out .
There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?
what is controlling card in dcs? how u measure dcs memory?what is bus in dcs?how u know dcs speed n ehternet speed?
What are different types of cable?
how works encoder in plc
Which topics are covered in Process Control?
What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.
Linear amplifier.
selection of the zener barrier for the hazardeous area zone 0
what is the procedure of belt scale calibration?
What is the use of gauge?
Capacitance, resistance ( colour coding ), parallel & series circuits.
How to Calibrate Level Switch in field
few questions on RS 232,1 question on relationship of impedance and turns ratio, many questions on flowmeters
WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?