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.

types of cable..? Use of every types of cable..?

0 Answers   Hindustan Zinc,

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IF PLC POWER FAILURE THEN WHAT HAPPEN?

2 Answers   IFFCO,

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How RAL(Rotary air lock)works in cement industry?

0 Answers   Jaypee,

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What is the use of gauge?

0 Answers  

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Name four general (not technical) criteria that would you consider important, when deciding upon a particular control valve?

1 Answers  

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Draw bode plot of any transfer function. Why is plotting bode necessary?

0 Answers   L&T, STS,

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An RTD is a_________________________.it works as follows

2 Answers  

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what are the types of a thermocouple

2 Answers  

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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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if field commnictor 475 does not communicate with transmitter what will you do ?

4 Answers   Samsung,

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Explain ratio control system.

1 Answers  

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i feel sq. pipe is better than round pipe pls give comment for this. advance thanks for reply

3 Answers  

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