What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

0 Answers   ADMA OPCO,

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Why 4-20mA SIGNAL IS PREFERRED OVEA A 0-10v signal?

5 Answers  

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WHAT IS THE MAIN WORKING OF BOILER.

3 Answers  

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How to Calibrate Flow Switch in field

0 Answers  

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 why Fahrenheit unit of moistur analyzer transmitter

0 Answers   Infosys, Samsung,

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what is your eligibility criteria for freashers?

0 Answers   Satyam,

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Why 4mA-20mA current loop selected as standard ???

1 Answers   IMCO, Reliance,

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where uses EXe /EXd/Exo/Exn/Exp/Exq/EXia

0 Answers  

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what is zero trim and span trim?. at which problem we need to use this?

3 Answers  

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can any one tell leakage class in control valve depend on which parameter and there is any specific table or chart for selection of valve leakage class

2 Answers  

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If mVolts can drop by resistance of wire as compare to mA, then how thermocouple mV reaches in CCR as accurate value?

7 Answers  

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what is pyrometer? which purpose it has to be used?

2 Answers  

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