Answer Posted / noel

Thanks a lot Steve Sabin.
I was facing the same doubt from long time. I guess coil
converts impidance to voltage by resonance principle. and
it uses -ve resonance.. PNP transisters are used to
generate excitation frequency..

what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

1749

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any questions on motor and energy conversions machines?

2221

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Good evening all I need a small favour regarding reliance paper i wanna probable sample papers(e&i) of reliance. if any of u have any idea about dis then plz mail me back.i belongs to electronics and instrumentation engg.so i need e&i papers. thanking u....

2084

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Identification of ss fittings, pilot valves, relief valve.

1822

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How to calibrate Field bus transmitter? procedure ?

2337

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any one can send me instrumentation previous interview papers? I prepare for MNC Company Interviews? my mail id- Rakesh.Golla@dodsaldxb.ae , and another mail rakesh.gvk@gmail.com

1942

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What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

1892

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䑰ҕ䔈ҕ䖠ҕ䘰ҕ䛀ҕ䝐ҕ䟐ҕ䢐ҕ䥐ҕŹ

1950

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Why we are using DPT(Differential Pressure Transmitter) in separator instead of level trasmitter?

2276

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I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

2347

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How servomotor controls throttle valve of TURBINE?

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which type of zones used for boiler? & why ?

1857

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Actual using of tube bender to bend 2 opposite 90 deg at correct measurement center to center of tubing.

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A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.

1347

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what diffrence b/w plc s7200,300,400

2065

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