What should be hight of CONTROL panel for access & OPERATION What is BIS & INDIAN STD for SAME?

3 Answers  

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What is the logic a Transmitter control a Control Valve? How the signal going to the Control valve? What are systems/Panels/cables/signal used to control valve from Transmitter?

3 Answers  

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Explain an adaptive / self-tuning controller’s major draw card.

0 Answers  

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What are all the type of vibration measurement measuring in turbine, what is the output of vibration sensor.

3 Answers  

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i am confusing about differential pressure transmitter as i seen so many DPTs in different ranges how can we calculate level and flow with mmh20 plz tel me

1 Answers  

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what is difference between call out and call log

0 Answers   Petro Rabigh,

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What are the automatic controller MODES?

2 Answers   DEWA,

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Draw a great bridge circuit.

0 Answers   CCIE,

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please send the sample qustion paper for iocl written test ..

0 Answers   IOCL,

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What is standard procedure of manual mapping in Radar type level transmitter?

0 Answers  

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1. What means HART communicator / where it is used / how to use it? 2. Types of Thermocouples and its temperature ranges / output of thermocouple? 3. Types of RTDs and its temperature ranges / output of RTD? 4. Idea about Temperature Transmitters? 5. Difference between Analog and Digital signals? 6. Difference between “2 wire” and “4 wire” system / instruments? 7. Difference between “Potential” and “Potential free” contact? 8. Types of flow meters / transmitters? 9. Types of level transmitters? 10. Difference between “Power/Control” cable and “Instrument” cable? 11. What means “shield” and “screen” in cables / how it is useful? 12. Draw a schematic of closed loop circuit of flow / level / pressure / temperature? 13. Idea about calibration of Control valve / positioned / I/P? 14. How to bypass a digital/analog signal in PLC/DCS by hardwire and software?

6 Answers   JSL,

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Can we use twisted pair cable instead of ethernet for communication?

1 Answers   Yokogawa,

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