How comparison of objects is done in PHP5?

1 Answers   TIS,

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Why not come out analog output in ABB EL3020 when display show correct value

0 Answers  

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What is TMR

3 Answers  

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what are the difference between conventional and smart transmitter.

1 Answers  

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What is the main difference between Cavitation and Flashing?

1 Answers  

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Im working in a shopping center, it is also hotel and office building, two towers exactly and someone is proposing a PLC control for the HVAC system, but Im thinking of a DDC control system. in this case what is the difference between PLC and DDC control?

1 Answers  

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What is surge in compressors? How to detect and control it?

3 Answers   Kharafi National,

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WHAT ARE MAIN DIFFERENCE BETWEEN DCS AND SCADA?

7 Answers   ABB, Gold Fields, Rand Water,

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Can you explain drawbacks between P,I,D & PID controller

1 Answers   JSW, Priya Cement, TPL,

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HOW DOES SPECIFIC GRAVITY AFFECT LEVEL MEASUREMENT.

3 Answers  

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

0 Answers   Jaypee,

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how many types of sensor in instrumentation

3 Answers   SRACO,

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