What are the materials use for COntrol Valve body?

1 Answers   KNPC, Qatar Petroleums,

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what is the differnt between open loop and close loop ?

5 Answers   India Cements,

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What is the difference between precision and repeatability of any instrument. Why it is measured always in percentage

2 Answers  

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how to calibate level transmiter ?range -150 to +150.what is the zero and span?

1 Answers  

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what are turbo generators?

1 Answers  

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in control valve is constructed as per API 6D or API 6A, then which standard is used for fire testing of valve?.

1 Answers  

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what is the difference between venturi and orifice meters?

9 Answers   Medha Servo Drives,

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What is capacity of impulse line tube ...answer in psi

2 Answers   Shell,

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what is the procedure to isolate flow a transmitter and flushing it?

8 Answers   Petrofac,

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How can i solve the problem of ROSEMOUNT 5300 guided wave level transmitter of full range? For more clearfication , another guided wave level transmitter VEGA brand have the same problem and i solved it by drain the champer from water and make "false signal suppretion" from transmitter push buttons it's configuration to tell the transmitter to avoid any built-up signal ,,, so my question how can i avoid the problem that rosemount read full range while the champer empty or any other ????

1 Answers  

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I WANT TO KNOW SOME BASIC CONCEPTS RELATED TO INSTRUMENTATION

4 Answers  

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diffrence b/w accuracy and precision?

4 Answers   HPCL,

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