| Other Instrumentation Interview Questions |
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|If an Instrument has 550 ohm internal resistance and the
cable used for that instrument is 0.5 ohm per meter
resistance. If the voltage is 12volt.How much length cable
can be used? Please tell me its Calculation formula.
|what is see back effect?
|tell how to calibrate a magnetic flow tx, vortex flow tx,dp
flow tx,nozzle flow tx and venturi flow tx?
|Hi friends, from Aug 4th onwards iam getting spikes for
analog inputs in our DCS for a period of 800ms. I throughly
checked every thing, finally i found that the DI, DO's from
MCC panels shields are terminated in the Signal Earth where
Analog Input signals shields are terminated. Is there any
problem with this type of termination?. i checked the
induction voltage from MCC and getting around 25VAC, please
suggest me in this concern. Our plant is 8months old only.
DCS is Siemens Make Simatic PCS7, and the transmitters are
|WHAT DO YOU MEAN BY LOOP IN C.
|HOW TO CALIBRATE A PRESSURE SWITCH?
|what are the pinciples & units of flow, level, temperature,
|what is the diffrence between mmwc and kg/cm2 for pressure
measurment when we are using mmwc and when kg/cm2 and why?????
?? what is the reason
|In vortex flow meter how can measure the frequency of
vortex generated by vortex flow meter
|WHAT IS THE DIFF BETWEEN FREQUENCY AND INTENSITY?HOW IT
WORKS IN FLAME SCANNER ?
|Which standard is used for calibration of Control Valves ?
|If a transmitter is installed 10 m below its tapping point how much pressure exerted if fluid is water?
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