In control valve , Failure position : Close If it is Fail close(FC) during failure of AIR.. what will be the initial/ normal position of control valve is it normally open or close? please some one explain soon..

2 Answers  

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pls suggest suitable MOC of diaphragm for pressure measurement of UREA grade solution service fluid.

0 Answers   Siemens,

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what is difference between wheatstone bridge, pirani gauge and strain gauge ??? explain its principle and working

4 Answers  

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HI, can anybody give details about GAS TREATMENT PLANT CONSTRUCTION,as INSTRUMENTATION ENGINEER what are the responsibilites.what are the instruments mainly instrumentation engineer will deal with

0 Answers   GSM, IOCL,

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defination of plc

14 Answers   ABC, Sofcon,

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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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Why we use 4 - 20 ma?

6 Answers   IJT, ONGC,

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WHAT IS INSTRUMENTATION?

17 Answers   ITC Infotech,

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What is difference between reset and initialization in industrial automation?

1 Answers   Marafiq,

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What is loop checking ?

10 Answers   Kharafi National, Petrofac, Samsung,

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tion 0,50,100% equql to voltage formula?

1 Answers  

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Vibration probe working principle?

1 Answers   Tata Steel Limited,

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