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

What is i/e or o/p transmitter(ma/v)?

1 Answers   Emco,

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how we use the positioner feed back in split range control valves?

1 Answers   Tata Power,

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how do i calibrate mmwc pressure guage with out calibrator.if any? pls give me the ans.

1 Answers  

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how can calibrate pressure transmeeter in the feild ?

1 Answers  

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Give Detail information about plc,dcs,and scada system?

0 Answers  

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How to Calibrate Temperature Switch in field

0 Answers  

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How to calibrate the magnetic flow meter and how to correct the flow if it is showing more flow.

5 Answers   Bohra Industries Limited, TCL,

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what is an ambient temperature?

5 Answers   Reliance,

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why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V

0 Answers   Hospira,

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Please anyone answer my question, what is the difference between single acting and double acting control valve, in what condition we better choose single acting rather than double acting

2 Answers  

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Explain, and give a real-world example of MODULATING control

1 Answers  

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i saw in my company drawing seat cable size as mensioned like this 12p*15 sqmm,12t*1.5sqmm, 9c*1.5sqmm. now what my que is what is mean by p , t , c.

3 Answers  

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