Answer / ahsan raza

Reset: When a controller is entered in an infinite loop i.e
being hanged then we need to reset the device in order to
release from the infinite loop.
Initialization: To start the device right from the initial
variable is termed as initialization

Could anybody pls give ans of boiler 3 element control system?

5 Answers   Qatar Petroleums,

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how can i calibrate E & h make conductivity transmiter . unit : mocro siemens Range :0 to 100 micro siemens sensor : capacitive type

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how to measure flow with dp

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i have one absolute pressure transmitter for the range is -400mmhg to 400mmhg. If i do the zero trim at atmosphere the transmitter should be give 4ma or 12ma? which one is correct?

2 Answers  

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A motor is taking 15 Amps at no load and 60 Amps at full load. and a valve has to open 10% at full load and 80% at no load. How to draw ladder logic.(PLC).

2 Answers  

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Hi Friends i am going to write BARC written test by this month 20th (20-5-2008). So please if any body knows the details about this or having previous question papers pls mail me to kkumarei@gmail.com. For Suggestions give one message to 9962122264

0 Answers   PDIL,

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How does your previous experience relate to the job you are applying for ?

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what is the diffirence between Earth and Neutral

4 Answers  

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pt range is -45 psi to 45 psi.friends can you give answer with calculation and with linerity scale like 0%,25%,50%,75%& 100%?

1 Answers   WB,

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Dear Sir/Madam,im going to attend Hpcl written exams on feb 17th in instrumentation stream..can anyone send me the HPCL model papers and pattern of HPCL ....i ve not yet attended anything in HPCL...so i dont know how it comes...so just i need some model test papers and pattern ..pls help me friends...

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While preparing the graphic diagrams trend display, 3 types of trends are prepared by Yokogawa system vender. These are for process variable, manipulated variable & set point variable. Why these 3 trends are required? Explain the purpose of these 3 trends.

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how to convert MA in to measuring values..and how mwasuring values into MA ?..plz ansr.i have intervw

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