hello friends, can you please send me the model paper or question paper to be prepared for hpcl examinations????????? You can mail me at rahim_here@yahoo.com waiting for your reply........... help me .. plz.....

0 Answers  

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tell about various protocols used in different plcs

3 Answers   Emerson, Samtel,

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why 4-20 mA signal is preferred over a 0-10V signal

17 Answers   Sofcon,

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What is the difference between a PLC (Programmable logic controller) and DCS (distributed control system)?

7 Answers  

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How you calibrate absolute pressure with the calibration range of 0 to 1000 0C Absolute. Please explain the procedure for calibration.

0 Answers   Petro Rabigh,

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what is the principal of operatio of dc motor

1 Answers  

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hello can yoy pls send me previous papers of jindalpower and steel ltd.....'m from instrumentation..... mani1048@gmail.com

0 Answers  

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what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System?

0 Answers  

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what is the usage of QDV & VOLUME BOOSTER.

2 Answers   ADMA OPCO,

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In power plant to measure vibration of a turbine we install sensors. Before install this sensor we have to set gap voltage. What is meant by gap voltage and its use?

0 Answers  

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How to measure Flow of air line,what is the procedure of creating DP in line to measure Flow!

3 Answers  

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what is meant by Hydroelectric powerplant?

0 Answers  

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