Answer Posted / abdul

Instrumentation is measurement, control and calibration of pressure, flow, temperature, etc which are called physical parameters manually using some instruments. same way using some programming computer softwares using PLC, SCADA, HMI or DCS etc is called Automation.

Hope i answered the Question.

Pressure tx shows 1 mbar but we need 1000 mbar at this process condition .. how can we sort it out .

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what is the difference between active & reactive power?

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1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?

2149

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Please send me the sample question of Instrumentation of hpcl/iocl exam. my mail id hihi_kiholo@rediffmail.com

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Explain about the leakage class of the control valves

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how to measure oxygen which methods are using?

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how many types of viberation transmitter and how to calibrate and where use of vibration transmitter

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what is The specifications for oriface instalation

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what is SIL 1 2 3

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How an rtd work, and what volts/current goes to a rtd to measure the resistance?

1230

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how u calibrate sox nox co2 co in cemps?what is opacity n HPm?tell the standard parameters of cems?

3628

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What is instrumentation control?

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give me all the details about the interview and which type of question being asked

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you are on site,the plant trips,you are approached by operations,what do you do?

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