Answer / abdul

Positive feedback is giving some amount of o/p to i/p in
phase.Whereas Negative feedback is giving some amount of o/p
to i/p with 180 degree out of phase.

Answer / farooq

what is diffrent between smart and hart communicator

Answer / scheau vlad

The positive feedback is when in control room, at console,
operator recive correct all signals from field durring loop
check.
The negative feedback is when he don`t recive some of the
signals, for example testing one control valve with limit
switch, he dont see in the console the indication of the
limit switch.
I hope is usefull answer :)

there are two candidates p and q in an election.During the campaign,40% of the voters promised to vote for P ,and rest for Q.however, on the day of election 15% of the voter went back on their promise to vote for P and instead voted for Q. 25% of the voters went back on their promise to vote for Q and instead voted for P.suppose,P lost by two votes,then what was the total no. of voters.

4 Answers   GATE,

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Who to difference between analog in & analog out in dcs?

0 Answers  

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Control valve Flow characteristic. How the equal percentege curve form?

5 Answers  

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2 Answers   Honeywell,

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1 Answers   CCIE,

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ABB DCS (AC 800 M)redundency take howmany milliseconds to switch from master controller to slave?should be less than DCS scanning time?

2 Answers   SCS,

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Tr. Wiring for calibration.

0 Answers   CCIE,

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Can I calibrate the Electromagnetic Flow Meter on line and How.

0 Answers   SEWA,

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0 Answers  

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Why we use negetive (-)voltage in vibration system

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What is mean by analytical instrumentation?

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hi this is noor i wnt know the procedure and precations errection for PRESSURE AND DP transmitters? how to take impusle line for level and flow?(water and steam) impulse line sizes? and type of material ? plz give me answer / reffer any website ? to me "mail2noor.hyd@gmail.com"

1 Answers  

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