| Other Instrumentation Interview Questions |
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|WHAT IS THE DIFFERENCE BETWEEN PLC AND DCS
|Why humidity limit is 30 to 55 % for raw material storage?
|Draw a 3 element level control loop and explain
|what is the use of shield cable?
|What is the difference between sdv and bdv ?
|Explain , how timer based pneumatic control valve will work ?
|A pressure Tx accuracy is 0.2%. Signal o/p is 4-20ma.span is 16 Ma.how many deviate the o/p then calibration needed
|in any transimitter (flow/level) there are three terminals
for supply& test (+,-,+)in two wire,24VDC given to Tx.,but
how 4-20 ma signal travels thru same wire (as it is for
24VDC input supply)?
|how to know the URL and LRL for steam drum level and why the
calibration range is in negative ?
|how to measured k type thermocouple temp.
|what is the difference between PLC & DCS
|kindly tell where orifice,nozzle,air foil,ventury used in
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