Where is the flow transmitter installed with respect to control valve, state reason.

1 Answers   ADMA OPCO,

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What is difference between converter & transducers?

4 Answers  

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If a normal magnetic type flow transmitter that can measure flow, temperature and show this parameters on field, is it possible by any means to get this (flow and temperature) parameters info. On dcs? And if yes then with HART, FO communication or any other communication system?

1 Answers   Process Control Technologies,

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In control valve there are two type of valve seat we can use metal to metal seat & soft seat.On this valve seat i have following doubt. 1)I have never seen practically the internal assembly of valve so my doubt is that basically weather the seat is soft seat or metal its basic MOC is same as valve body(SS or CS) only in soft seat we are using PTFE ring & place on valve seat & in metal this PTFE ring is not threr am i correct??????? 2)what are the common general rule for using metal to metal seat & soft seat,means its depend on process parameter like liquid,gas, steam & on valve leakage class.

1 Answers  

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how u meassure room temp?is it possible 2 meassure room temp by rtd or thermocouple?between rtd n thrmocouple which is more regard?3 meassure diff. between rtd n thermocouple?

3 Answers  

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Sir,I am going to sit for IOCL written test exam. recently.Can anyone tell me the name of 'Objective type Question Book on Instrumentation Engineering ' which will help me. Pl. mail to bidyut_71@rediffmail.com / bidyut.saha2008@indiatimes.com / bidyut.saha09@yahoo.in

0 Answers  

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What is i/e or o/p transmitter(ma/v)?

1 Answers   Emco,

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how flame detectors sense the flame.

3 Answers  

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Reason for capillary type dp level transmitter fluctuation

0 Answers   BMB, Enppi,

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difference between null and deflecting instrument.

5 Answers   ONGC,

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what is Instrument Schedule, and what it is mainly used for?

0 Answers  

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pls give me presant awerness quistion and answer in my emailid.

0 Answers  

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