Answer / parth

sourcing provides current whereas sinking fetches current.

Answer / faiyaz ahmad

Sinking means signal is coming from the I/O means input out put cards
source means signal is going from the card means input and out put card.

what is the input of digital counter during the the calibration time?

0 Answers  

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how many types of sensor in instrumentation

3 Answers   SRACO,

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Single acting ON-OFF valve. it is air to open. when sov energized , valve will be open, so during that if air fail then what will be the condition of valve ( open or close ) ???

4 Answers  

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Galvanizing.

0 Answers   CCIE,

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What is the difference between Error and Offset.

1 Answers  

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if change the pid in D value so what action.

2 Answers   Siemens,

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what is the minimum power (P=VI)to produce a spark?

0 Answers  

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Explain PID controller tuning & any one method used for it.

1 Answers   L&T, Oil India,

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what happen if i install my pressure transmitter below the elevation of pipe in natural gas service. Also support your answer

3 Answers   C2C,

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What is seeback effect?

3 Answers  

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which are types of orifice tap ?

2 Answers  

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what is the difference between signal cable and ontrol cable?

14 Answers   Essar,

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