Answer / bravo

Cascade control is having two controllers,one as primary and the other as secondary to increase the effective and accuracy of your control system

N:B the output of the primary controller is the setpoint of the secondary

what is the Analog signal and what is the Digital signal

4 Answers  

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what is flow equation of kg/hr to m3/hr

2 Answers   Philips,

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in split range control system we are using two control valves,but we have only one positioner and one feed back link.so how we use this one feed back link for two control valves?

2 Answers  

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In most process, speed of motor controlled by control system with a reference pot . Now if i start & it becomes uncontrollable, i.e.gets directly start & stop after certain time.Then which reasons can make such problem? can motor may be faulty?how?

3 Answers   Siemens,

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Speedtronic system .

0 Answers   CCIE,

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A RANGE OF TRANSMITTER IS (0-400)B mm abs what is "B"?

1 Answers   HCL,

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Full form of KKS when use DCS.

0 Answers  

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What is possitive and negative feedback?

3 Answers   KNPC,

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Hot calibrate a level transmitter (wet & dry legs)?

1 Answers   Honeywell, IEC,

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What is frequency factor in massflow meter? When using frequency output?

0 Answers   PCMIL,

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why k factor is important to know in flow transmitter. if we don,t know k factor what will be issue we can face .

1 Answers   Flour Tech Engineers (P) Ltd,

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plz send me placement paper of ongc

0 Answers   ONGC,

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