what is the difference between sinking and sourcing inputs and also what are there applications?

2 Answers  

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NAME ANY TWO PHOTO CONDUTIVE MATERIALS?

1 Answers   DVC,

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What is the standard height for stancion supports? and what is the standard mounting height for different transmitters?

11 Answers   Samsung,

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What is Difference between PLC and CNC ?

2 Answers  

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What is Cavitation in a control valve?

0 Answers   CCIE, KN,

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Why the Air Tank Accumulators required for the single acting actuators SDV's or BDV's as I see in some Schematic diagrams of ROTORK ??

2 Answers   L&T, Siemens,

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i have been asked by QAFCO to appear for interview for thy post of Instrument Designer(INTOOLS)..i m engineering graduate with 5 years exp. in design engineering.Will this job profile suit me??i need all ur help n suggestions for thy same?

0 Answers   QAFCO,

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how to check control valve was passing?how to check online?

3 Answers  

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Can u tell me the principle of the tc,rtd,level switch,pressure switch ,transmitter(pr flow level temp.),vibration...plz

0 Answers   Adani, SRF,

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hay friends, i am in trouble to understand PID controller. several times i have study but it is not clear to me have you a simple way to understand.

1 Answers  

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What is the calibration procedure of Drum level transmitter if range is 0 to -400 mmh2o in lab?

0 Answers  

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Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

0 Answers  

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