why we cant transmit the dc current easily

1 Answers  

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what are the three main programming languages in plc

12 Answers  

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whats diffeence between dcs & scada operation.

3 Answers   Orchid, Reliance,

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A DP Endress and Hauser flow transmitter is always tripping pump at low flow. set point is 74 cubic meter/hr. Thorough impulse line flushing and zero calibration has been done, yet problem persists. What do you think is the problem and how do you rectify this fault?

5 Answers  

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Waht is surge in compressors and how to control it?

1 Answers   DEWA,

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Why shield is not connected at both end.

5 Answers  

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What is an antisurge control system, how it works?

3 Answers  

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how many type of control valve?

10 Answers  

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Why Instrumentation Air Compressor called as Instrumentation Air compressor?pls dont just tell its trasferring IA to all transmitter,valves.I need exact reason, please......................

2 Answers  

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pt range is -45 psi to 45 psi.friends can you give answer with calculation and with linerity scale like 0%,25%,50%,75%& 100%?

1 Answers   WB,

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In Safe Guarding test what means by "Failed to Danger" ?

0 Answers   Optimal,

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Which type of pressure can be measured by primary elements?

0 Answers  

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