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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How to calibrate level transmitter with use of HART?

0 Answers   Samsung,

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What is diff between Ingral orifice and simple orifice?where it use?

3 Answers  

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How to adjust the zero & span of a control valve from the posiitioner(MIL)?

1 Answers   Bhel, SMC,

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Why the industry's standard current standards are from 4mA to 20mA,not from 0mA or any other range?

3 Answers  

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OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

0 Answers   Fauji Fertilizer, GSECL, NFL, Power Plant,

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what is the difference between attemperator and desuperheater ?

0 Answers  

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how to calculate density?

2 Answers  

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In my company plc based winders are operated. one day there was a data transmission failure alarm shown on pc. as per sir instruction we have reset master plc but winders were not triped and alarm gone. so what master plc do?

0 Answers  

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Explain why plc require in analog input 4-20amp & 0-10 volt?

0 Answers  

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What is the function of a diaphagram

5 Answers  

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I want to measure and control level in tank of size 10*5 filled with gasoline, so plz give me the solution with clear details. how to select transmitter and sensors.

0 Answers  

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