Answer Posted / m.suresh

I/p converter is a heart of
control valve. Positioner is
like a blood circulation.

can you provide me full detail about instrumentation in ONGC??

2170

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i have been asked by QAFCO to appear for interview for thy post of Instrument Designer(INTOOLS)..i m engineering graduate with 5 years exp. in design engineering.Will this job profile suit me??i need all ur help n suggestions for thy same?

2236

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What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?

1989

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What is force balance principle? State some of its’ advantages.

1186

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what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .

4855

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which type of signal used in instrument?

9864

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how many type of plug are used in pneumatic control valve,name them.

5455

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Make a ladder diagram on LSL valve will close, on PSL valve will open and start the motor

2145

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What is the difference between PLC and DDC?

2195

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I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann

2267

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How many are the types of instrument cables in terms of No. of pair.

2200

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hii my name is sujith...i am preparing for HPVL GET 2010... so ,,,pls help me by send any previous questions or material to my site.....(Msujith_12@in.com) thank q

1879

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The company where I am working, their is rosemount 5400 series radar type level transmitter, it is meant to show level of filled tank, but along with the level it is showing temperature also, so my question is how a onon-contact type radar type level transmitter can show temperature even if it does not have any contact with the fluid?

2281

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what is a half wave, full wave, and bridge rectifer.

1790

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Explain about safety integrated level protection? . How it was differ from other protections ?

1750

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