what is concept of field,control room area in transmitters?

1 Answers  

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How to get Cv of control valve having following parameter ,i.e inlet pressure 4.5kg/cm2 outlet pressure 1 kg/cm2 specific gravity 0.808

3 Answers  

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hi sir yhis is zahid ali i am preparing for the jspl at oct.4.please send me the recently updated sample paper.

0 Answers   Jindal,

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please explain smoke detectore & lel detector?what is o/p

1 Answers  

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what is maximum vaccume?

4 Answers  

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What is the different between ESD & PLC.

1 Answers  

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how we can check level probe and controller

2 Answers  

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how can we tune a PID. If it is by zeiger nichols method..please explain briefly with help of an example.

0 Answers   KNPC,

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A pressure transmitter with a range of 0-100 bar.The accuracy of the instrument is 1% of upper range value? The pressure indicating transmitter is showing the system pressure is 50 bar. b. When you include the error, what is the minimum possible pressure in our fuel gas system? i. 49.5 bar ii. 49 bar iii. 1 bar iv. 0.5 bar We want to change the filter cartridge. We must depressure the fuel gas system. c. After we depressure the system in preparation for maintenance, the transmitter displays a pressure of +0.1 bar. At this time, what is the possible range of pressures in our fuel system? i. +0.099 to +0.101 bar ii. 0 to +0.2 bar iii. -0.1 to +0.3 bar iv. -0.9 to +1.1 bar

3 Answers  

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why we use the ac supply load cell>?can we use the dc supply load cell?advantages and disadvantage of the ac supply load cell?

0 Answers  

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Reason for capillary type dp level transmitter fluctuation

0 Answers   BMB, Enppi,

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how eddy current loss in probe and induced gap voltage accros probe trip and shaft

1 Answers   Reliance,

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