why we us isolation barrier in hazardous area how it works
to protect the area and please clarify its current flow.
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Can we use mov instead of esdv Explain the reason
What unit is used for measuring comp. outlet flow. it is CFM, M3/hr or NM3/hr. ?
what are the three main programming languages in plc
IN JB CONSTRUCTION WHY WE ARE USING JUMPPER........CAN U PLEASE TELL ME.....
Y to use 4 to 20ma instead of 0-10v
For a diafhram 1.5 d =kn(p-p0) D4 Where d in deflection in inch k=constant n=no of capdule (P-P0)=Applied pressure in psi D In active dia at capsule. -1.5 d=k to p d being constant -1.5
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what is Automation?
given a processor batch of 1000 resistors moving on the conveyor belting in a large factory. the resistors is value at 10k ohms each but when the resistors reach the quality control, some of the resistor has been rejected caused by failure in manufacturing.the high quality measurement is used to determine the failure. describe the instrumentation terminology in measurement of a system above with explaining the important in:- -reliability -sensitivity -repeatability -precision -range -resolution -linearity -hysteresis -error -accuracy (answer must related to the scenario above)
why the derivative in PID is always set to zero?
Why ues 250 ohms Resistor during hart type instruments calibration with hart protocol in details ?
what is the difference b/w normal thermocouple and skin type thermocouple?
Why we use 250 ohm resister in series hart communicator?
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