In E&I diagram what is the meaning of rectangular box and circular box

3 Answers   L&T,

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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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We are using Rosemount 5400 series Radar Level Transmitters in all types of Sump Applications having oily water hdrocarbon petrochemical nature. What we are facing the problem frequently is that always getting reading frezzed at some value. If we do power recycling , sometimes it is working . then making same freezing problem. If anybody faced before such type of problem and also having solution , Please give the answer.

0 Answers   Sabic,

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If the on Of the DO module is off in the System cabinet, then what is the Procedure to check weather the Module is working or not.

2 Answers   Honeywell,

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what is the principal of coriolis mass flowmeter

1 Answers  

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why we go for pcbs

2 Answers  

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why we use the 4-20 mamp signal used for transmitter.

5 Answers   Tecnimont,

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How to calculate the range of level transmitter?

4 Answers   Wika,

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what is difference b/w the solinoid volve and autodrain?

3 Answers  

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what is maximum temprature in instrumentation

1 Answers   Sabic,

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how to measured k type thermocouple temp.

3 Answers   NTPC,

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We have ZR22G-100-S-A-E-T-T--E-A/CV/F1 Model Zirconia Oxygen analyser which is Yokogawa make. I kept the analyser in Flue gas path at Air pre heater area. My plant is 7.5MW Biomass power plant. For a particular fuel, Coconut Husk which contains Sodium and Potassium chlorides iam not getting proper reading, Analyser output always Zero. I calibrated the analyser and it is OK. For Other fuels like Wood chips, Cholam waste, DOB, Groundnutshells, Ply wood waste and all iam getting actual percentage of Oxygen. What is the main reason behind this draw back?

2 Answers  

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