Answer / mubashir hassan

dead band the part of the range thruogh wich an input
produce no out put changes is called dead band

Answer / satish patel, bilimora

dedband=difference between set & reset value

Answer / thiyaarajan

While meaasuring PV it if goes below or above set point
alarm will be generated. Then if PV reaches set point the
alarm will reset. but if the PV fluctuates then to avoid
frequent alarm we have to give some % for the alarm to
reset. That % is called as Deab band value.

what is o2 analyzer and how it measured ,what is the role of this analyzer in cfbc boiler...

0 Answers   Mittal Steel,

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ALL INSTRUMENTS WORKING PRINCIPLE.

3 Answers   Blanco, India Cements, TVS,

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In your own words, would you expect an ultrasonic level device to work better in a pressure vessel with a high pressure or a strong vacuum, and why?

1 Answers  

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Please explain the difference between instrument range and calibration range in terms of pressure transmitter? line design pressure: 93 bar operating pressure : 82 bar press Transmitter Range? calibration range ?

3 Answers   L&T,

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Why hunting will occour in control valve?

6 Answers  

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what is PM/CM/RCM?

2 Answers   Emco,

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On drum level, why we are using air to close Control valve?

4 Answers   L&T,

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In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.

0 Answers   India Cements,

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what is hall effect?where it is use in power plant?

2 Answers  

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A pressure differential gauge type of instrument has a manifold with 2 isolation valves (hp and lp),2 vents(1 each for hp and lp) and 1 equalizing valve. Determine the position of each valve(either fully closed or fully open) when troboulshooting to: 1. zero the transmitter. 2. determine if there is a block in the impulse line. 3. determine if the gauge is functioning properly. The process fluid is water.

1 Answers  

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please send me gail format if u have... please help me if u can...

1 Answers  

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Why 4-20mA SIGNAL IS PREFERRED OVEA A 0-10v signal?

5 Answers  

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