On LPG sphere tank we used LIT for level indication.High side port is connected to the bottom of the tank while low side port connected to the top. I would like to know how to fill the glycerin on its low side with two condensing pot installed,one from top and the other one for its drain line.Please I need your expertise...thanks

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If The RTD(PT100) Show .776 Kohm Resistance the Temperature of process fluid how much?

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Give me best instrumentation Books name..Ple...

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A PLC is programmed to drive three motors A, B and C as follows : After running motor A for an hour, motor B should get ON and motor A should get OFF. And after running motor B for an hour, motor C should get ON and motor B should get OFF. And after running motor C for an hour, motor A should get ON and motor C should get OFF. (That is, a cyclic repetition with time period one hour) Now, the second condition is: If any motor gone faulty and is tripped, the consecutive motor should get ON and the faulty (tripped) motor should be eliminated from cyclic repetition. The remaining two motors should bear the cyclic repetition of one hour each. (For healthy motor take logic as high and for tripped motor take logic as low) Now, the third condition is: When motor A load(Amps) exceeds 60% of its rated load, motor B should get ON in parallel to motor A. And when both motors A & B are running in parallel, and if their load exceeds 60% of their rated load, motor C should also start in parallel to A & B. [Here the cyclic repetition is eliminated, until their loads become normal(40%)] [Take logic high(1) for load at 60% and logic low(0) for load at 40%] Now draw a flow chart or a ladder diagram to fulfill the above condition.

0 Answers   MNC,

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How to calibrate an pressure gauge with yantrika test bench?

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what is disadvantage of field bus (ff)type of instrument

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what is diffrence between analog card and digital card in plc.how analog card work,Please explain in detail.Please send it on abhi_vyas@sify.com

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What is Span Error

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how can leve transmetter calibate in feild .and also put cv and flow plz .....

0 Answers   IBM,

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what are the steps I have to deal with?

0 Answers   ONGC,

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what is function of SCADA , and how is it work, explain with difination

0 Answers   Bapco Bahrain Petroleum Company,

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What is hp & mp seperator .& what is its working principle ?

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