| Other Instrumentation Interview Questions |
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|Why we use 4 to 20 mA, (This is International Standard)
instaed of this can we use 4-16, or 4-24 or 3- 15 or any
|radial & axial vibration sensor output voltage is ac or dc volt?
|what is the difference between 2 wire and 3 wire RTD-
application wise,cost effectivity?
|i want use pressure transmitter for flow ,how?
Can any body state Logic on following condition
Instructions to use 1-XIC 2-XIO 3-Output ONLY
Push 1st button On - 1st lamp should On
Then Push 1st button Off - 1st Lamp Should remain on
Push 2nd button On - 1st lamp should Off and 2nd lamp should On
Then Push 2nd button Off - 2nd Lamp Should remain on.
|1. Pl. send details about different types Gas Analyser,
like Co2, O2, SOX/NOX, etc. with calibration procedure.
2. How to calibrate H2S gas detector in field?
|WHAT DO WE MEANT BY INSTRUMENT MAINTENANCE IN SOFTWARE SIDE.
|In separator VFD frequently trip with OVER VOLTAGE Fault
What is the reason?
|if we open the inlet of an air regulator ,how it will affect
the out put of regulator? (out put of regulator is using to
operate an on-off valve.it is an air to open valve,and valve
is in open position.my doubt is air regulator will hold the
valve in open or not,if there is no consumption or leak in
regulator out put side ,we only loose the input pressure.)
|What is sensitivity of K type thermocouple? Is polarity
important in thermocouple connections?
|why we use double acting valve and where?
|what is plc communication?
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