What is the detail function of I/O card in DCS ? Why we dont use the I/O directly with controller?

3 Answers   Kekran Mekran, TCE,

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A motor is taking 15 Amps at no load and 60 Amps at full load. and a valve has to open 10% at full load and 80% at no load. How to draw ladder logic.(PLC).

2 Answers  

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

0 Answers  

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How to calculate 47Liter H2 Gas cyilnder consumtion? Cylinder inlet Pressure is 200bar and Discharge pressure is 6.0bar. Flow is 100ml/min.For the above condition how many days one cylinder can be used?

1 Answers  

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Boolean algebra

0 Answers   CCIE,

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difference between vaccum and draft

0 Answers  

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what is meant by Valve reversibility?

2 Answers  

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how to commission furnace ( water heater)

0 Answers   Petrofac,

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what is cavitation in control valve? & how we can avoid it?

1 Answers   Forbes Marshall, Reliance,

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draw the block diagram of a level transmitter ?

0 Answers   Hira Group, Samsung,

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we have level transmitter for h2s04 storage tank capacity 10k ,always there are failure of transmitter due to failure of magnetic floats ,please come up with solutions at the earliest.

0 Answers   TechNova,

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what is zero trim and span trim?. at which problem we need to use this?

3 Answers  

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