Answer / iyyappan.m

Open loop is a only one transmitter here is no control of valve or anything.

Closed loop is a Pid loop ,transmitter control the control valvewith operator desired setpoint.

Dead weight tester & comparator for calibration , which is more accurate , what is the application.

1 Answers   Bapco Bahrain Petroleum Company,

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what is mean by process control?

4 Answers  

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I want to install analog type, flange mounted gas flow meter (line size - 2"), for CNG flow measurement.Kindly give some details of flowmeter or suppler name, available in India.

1 Answers  

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how the arrangement of equipments done in control room

0 Answers  

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Can we used Condensate Pot on flow transmitter which is using on liquid having sluge and DP transmitter is in pit and below the process line,Can we used Condensate pot for accamulate the Sluge?

1 Answers  

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selection of the zener barrier for the hazardeous area zone 0

0 Answers   Siemens,

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what is difference btween rotameter and orifice plate?

3 Answers  

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what is the working principle of vortex flowmeter

9 Answers   Essar,

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i want to calibrate a transmitter in the range of -100 to 300 mmwc. How it is possible to measure -100 to 300?.

2 Answers   Hindalco,

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what is the use of glycol filling in seal pot (or) condensate pot in instrument impluse line?

7 Answers  

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please tell no. & add. of consultancy who recruit me in power plant as instrumen engg. present i m working in power plant as ass.t instrument engg. thanku mahesh 09226562826

0 Answers  

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What is impulse line size

3 Answers   IFFCO,

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