Answer / gonzales

In boiler when tripple element controlling required

Answer / nikhil

In some applications, the compensation provided by feedback control is not sufficient.

Also, the feedforward control is faster but it is difficult to predict all the manipulated variables.

Hence a combination of both is used.

Answer / r.murugan

Feed forward control required three inputs like drum level
control (steam flow,drum level,feedwater flow

closed loop control with feedback only applicable

Answer / bhag singh

control valve

How to Calibrate Transducers? Can you give me a step by ste procedure?

1 Answers  

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Please tell me details about Sox,Nox,SWAS analyser????

0 Answers   Essar,

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Can please tell mi about SIOS, PRM, SERVER, and what is the diference between PIN LAN, PCS LAN,APC Server, and please send the Doc if possible for referance,mail id patil_amit17@yahoo.com

0 Answers  

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Which of the following instruments consumes maximum power during measurement?

3 Answers  

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what is the advantage by using PID controller than P& PID?

1 Answers  

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steps for installing orifice plate?

0 Answers   Bhushan Power Steel,

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please send me hpcl placement papers

13 Answers   HPCL, L&T,

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What s the exact height of installed transmitter?

1 Answers  

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Q- Ordinary Water Tap is which kind of controller ? P , PI or PID i chose the option of ON - OFF type controller but ambiguity is that for different positioning of tap we get different flow

1 Answers  

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whats the working principle of level transmeter?

6 Answers  

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How to derive IO Count (AI, AO, DI and DO ) from a Field instrument (FI) Bill of Quantities (BOQ) given by client.

1 Answers  

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What is the differace between Volumatric flow meter and Mass flow meter.

4 Answers   Reliance,

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