why we use casced loop

6 Answers  

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For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

0 Answers  

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What is the Temperature Co-officient of Resistance of PT- 1000 and PT-2000 ?

2 Answers   Adani, Birla, MEIL,

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Why ac supply load cell is used? Can we use the dc supply load cell?

0 Answers  

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I am using Capacitive type level transmitter for measuring oil level in a closed tank (lub oil tank). The txs range is 1500mm, and they do hunt regularly (for about 45mm), can anybody tell what could be the reason??? or any other type level tx that could be used to avoid this?

1 Answers  

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when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

2 Answers  

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what is difference between HOT permit and cold permit

0 Answers   Petro Rabigh,

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How we are blocking 40 kg or more pressure through only 6 kg instrument air in control valve 

3 Answers  

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In split range control, we will control 2 outputs with time interval. Eg :(with 4-20 ma signal, for 4-12 ma we are operating one control instrument like valve & for 12-20ma we are operating other control instrumet (other valve). If we get a signal of 15ma to first instrument (Valve 1), what will happened to the first valve, and if we get signal above 20 ma to 2 valve what will happened ?

3 Answers  

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I want to measure bidirectional steam flow? Kindly suggest me a suitable flow meter. steam is superheated at 41kg/cm2, 350°C

2 Answers  

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What is the use of +/- 20ma in analog measurement,and which instrument gives +/-20ma output

1 Answers  

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please send me the inteview questions in IOCL

0 Answers   IOCL,

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