Answer / guest

block

what is meant by turn down ratio?

3 Answers   Avant Garde,

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generally for transmitter we are giving supply 24vlts?but we are getting output 4-20ma ? how it is possible? is there any operation inside the tx?pls give complete information?

3 Answers  

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what is air to open and air to close control valve and difference btwn this...and how to measure milli amp by this...and what is the role of positioner and i/p converter in this..plz help me

2 Answers   HCL, SOC,

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What types of Instrumentation Related Questions can an Interviewer ask in a Telephonic Interview ?

0 Answers   Cairn, Honeywell,

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please explain about actuator action? direct action & return action ?

1 Answers  

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What is pipe schedule? What are all effects its having in the valve? how do we take care of pipe sch in case if the customer dint specify in the data sheet. What we need assume and in what basis?

3 Answers  

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in a electronic controller why we are using 250 ohm resistance in input signal?is i/p is necessary in control valve when we are using electronic controller give details?

3 Answers   IOCL,

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What is Erosion in a control valve?

0 Answers   CCIE, Fisher,

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what is RTV function in in process control?

0 Answers   Colgate,

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how many types of orifice plates?and explain about it?

2 Answers   Kesoram,

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How to calculate flow of air bubbler type level transmiter  According hight and density 

2 Answers   Qatar Petroleums, RKS,

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Define cryogenic?

0 Answers  

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