steam drum level transmitter calibration procedure? with example?

1 Answers  

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why we use 4-20 mA for calibration of the instruments.why we cant use 0-20 mA?

5 Answers  

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what is easiest way to read STL language in PLC?

0 Answers   LB Industries,

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typical loop drawing of a simple feedback control comprising of one transmitter and one control

0 Answers  

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what is the reset offset and control system in instrumentation

0 Answers   ABB,

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To find closed tank level by DP transmitter , how to findout its range.and insomeplace they using range like - 1500 to +1500 mmwc why not 0 to 3000 mmwc. how they spilit they range for minus and plus.and why?

1 Answers   Kuwait Oil Company,

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i want to control the temp of sand(welding flux) between the range of 150deg C to 170deg C. sugges me sum temp control method without PID controller.

1 Answers  

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i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

0 Answers  

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Technician A says that a fuel tank sending unit will have a high resistance only when the tank is full. Technician B says that its resistance when the tank is full depends on whether the sending unit is designed for use with a bimetallic gauge or with a magnetic gauge. Who is correct?

3 Answers  

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How much Resistance Show by RTD(PT100) when it is installed in process(Consider Process Fluid temp 29 Deg C)?

5 Answers  

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What is hp & mp seperator .& what is its working principle ?

0 Answers  

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can i calibrate DP transmitter online (while Tx in Service) if yes ,how?

1 Answers   CEPC,

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