Why three wire is using with a RTD?

3 Answers   ABB, MAHINDRA,

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What is mean by Ethernet, Device net and Control net? For what application we are using these?

4 Answers  

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1. How many output signals do wew have in process control? 2. Could you write down the names of the pre-commissioning and commissioning stage test instruments and explain them (more than 5 items)? 3. What is the first step to commission a transmitter on service? 4. What is RTD? 5. Find the output value in MA of a temperature transmitter (RTD Type) at 120degree celius? 6. What is the O/P signal of a pneumatic transmitter? 7. What is the O/P signal of an elctronic transmitter? 8. What is the close loop and open loon?

4 Answers  

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With N nodes and B branches what will have a network ???

0 Answers   BSNL,

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Calibration of flow transmitter.

1 Answers   CCIE, Power Plant,

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Identify and use the ANSI/ISA-S5.1 consensus industrial standard process symbols.

0 Answers   GAIL, Olympia,

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what is different between modbus and serial link? please could anybody give right answer.

2 Answers  

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in i/o panel for digital ouput(do) how much power(in volts) we must give?

2 Answers  

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how to test rotor &stator earth fault in turbine

1 Answers   Bhel,

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i want to make project on process control using plc.please give me idea about this.

2 Answers  

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i want to measure temp of hot sand(welding flux) in closed chamber(around 150 deg C).Which is better thermocouple or thermometer?

1 Answers  

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Can anybody please let me know Orifice plate sizing calculation formula and step by step procedure

0 Answers  

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