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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what are turbo generators?

1 Answers  

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Explain the difference between the types of input variables plc?

1 Answers  

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for commissioning the DPT and Flow Transmitter , what kind of necessary activities we have to check and do? specially that orifice flange valve[ isolation valve}

1 Answers   L&T,

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In E&I diagram what is the meaning of rectangular box and circular box

3 Answers   L&T,

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in split range control system we are using two control valves,but we have only one positioner and one feed back link.so how we use this one feed back link for two control valves?

2 Answers  

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POSSITIVE PULSE IS APPLIED TO AN INVERTER INPUT.THE TIME FROM THE LEADING EDGE OF THE INPUT TO THE LEADING EDGE OF THE OUTPUT IS 10 ns. THE TIME FROM THE TRAILING EDGE OF THE INPUT TO THE TRYLING EDGE OF THE OUTPUT IS 8 ns. WHAT ARE THE VALUES OF tPLH and tPHL?

0 Answers  

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with the help of suitable diagrams different types of control valves

1 Answers  

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Working principle of magnetic flow meter ......and calibration procedure of e+h magnetic flowmeter...

0 Answers  

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What is the compensation of thermocouple

2 Answers   Samsung,

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Hook up resistance decade box to temp.transmitter.

0 Answers   CCIE,

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What are continuances of connecting earthing and shield of branch cables (instrument to Junction box), at the same earthing pot provided on JB? Is it ok, or may produce some problem? 

0 Answers   Process Control Technologies,

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