why we use cascade control and feed forward control in 3 element drum level control measurement of steam drum .what is cascade and feed forward control system ?give example .

0 Answers   Visa Steel,

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The process variables that need to monitored and controlled are ________, ________, _________ and

1 Answers  

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Specify for Cables - Flame Retardant and Fire Resistant?

0 Answers  

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What is controller? What is transmitter?

1 Answers  

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How the flow can be measured by using DP Transmitter?

3 Answers  

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how to tune the closed pid loop?

3 Answers  

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how will you check torque value during Factory acceptance Test for control valve/ESD ON/OFF VALE how will you confirm this torque value is being correct, Which document will you be refer.

0 Answers  

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who to convert dc to ac

7 Answers   ONGC,

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what is the diffrence between LCN and UCN

2 Answers  

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If you calibrate a pneumatic pressure transmitter, how many adjustments are normally necessary or mandatory?

1 Answers  

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Tell about your IFFCO plant visit.

0 Answers   L&T,

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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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