Why we use 250 ohm resistor in series with HART protocol communication?

13 Answers   Chemtrols, Instec, Sabic,

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Draw a 3 element level control loop and explain

1 Answers   CCIE,

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Watt is Wrms define rms?

2 Answers  

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hi,i am doing 3 year in electronic and instrumentation engineering. what type of aptitude questions will be asked in a core industries and how can i improve my skills in instrumentation?

0 Answers  

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what is difference between RTD and Thermocouple?

2 Answers  

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IF ASK IN THE INTENVIEW WHAT TYPE OF BMS YOU USE?

1 Answers  

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In control valve proximity inductive sensor is taken as digital feedback for full open and full close.Normally its volts 24v when the sensor acts the feed back voltage 14v so that our relay not indicating in plc panel . kindly give the solution.

0 Answers  

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how its work inductive proximity sensor explain briefly?

1 Answers  

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with the help of suitable diagrams different types of control valves

1 Answers  

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Can anybody tell me which type of question are asked in the interview for the FORMULATION(Pharma) as a instrumentation engineer, & question in building managment system.

0 Answers   Reddy Labs, ScienceWay,

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why we are using pnp npn for sensors is there any other type?

1 Answers   CGL,

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who discoverd ohms law?

6 Answers   HPCL, Patni,

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