Explain operation of Haskel pump.

0 Answers   CCIE,

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1)unmovable objects have frequency or not?if that object have frequency,how do we measure and transmit? 2)how do u measure the continuity without multimeter? 3)we put 24volt dc supply in railway track how many distance it is traveled without voltage drop?

1 Answers  

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Generally in which location ( JB or IO card or DCS) the thermocouple compensation is done.Also where they measure the atmosphere temp ( for compensation) in JB OR DCS panel? How they compensating that atmosphere temp? is any circuit for that ( like in rtd wheatstone bridge)?

3 Answers  

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why we connect digital multimeter in series for dc current measurement and parallel for dc voltage measurement.

4 Answers  

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

1 Answers   DEWA,

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why relays are used with plc?

4 Answers  

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what is Potential free contact? where it is used?

3 Answers   Engineers India Limited,

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rtd principle?thermocouple principle?

5 Answers  

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What is seeback effect?

3 Answers  

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i am working in the automation company...i want to just know how actully pid control valves are tune????...

1 Answers  

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If the Barrier Fails during online then What will be the control valve position in field or Positioner action in the field.

3 Answers  

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what is the reason for flow fluctuations happen on differential flow transmitter during in service

2 Answers  

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