Answer / stanley

upstream and downstream

how can calibrate pressure transmeeter in the feild ?

1 Answers  

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what is the difference between plant earth and instrument earth? and what type of cable( cable size ) used for both? and why ?

0 Answers  

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why use MMWC unit

9 Answers   Praxair, Saipem,

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when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

0 Answers  

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why used three wire in RTD.

8 Answers   BARC,

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What is the function of positioner in control valves? does the control valve operate without positioner?

3 Answers   Hofincons,

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hi i am eswar i want to know the instrumentation interview questations for eil(engineers india ltd) i have applied for engineer post in eil please help in this.my mail id eswar310@gmail.com

0 Answers  

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draw shematic diagram of c/v positioner(smart type)?

0 Answers   Coromandel,

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In a ball valve which require 24v dc supply to operate, whose solenoid valve doesn't have any + or - indication, how can we make wiring connectionto solenoid valve?

1 Answers   Process Control Technologies,

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difference between plc and dcs?

3 Answers   Honeywell,

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Where do we consider the pressure in mbar & where do we consider the pressure in bar & why is it so ?

2 Answers   BOC, Jindal Steel and Power,

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with the help of suitable diagrams different types of control valves

1 Answers  

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