Answer / k.ksharma

We have calibrate the cv ,using by I/p & positinor input signal 4-20 ma in I to p .positinor given the feed back to set point.

How does a strain gauge measure pressure?

2 Answers  

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How is plc installing done

3 Answers   L&T,

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units of pressure,flow, level,temperature? principle of pressure gauge? calibration of pressure tx., level tx., temperature tx.flow tx.? description of two wire ,three wire and four wire R.T.D.? WHAT IS INPUT AND OUTPUT OF TX.? WHAT IS INPUT AND OUTPUT OF R.T.D. AND THERMOCOUPLE? WHAT IS HOT LOOP AND COLD LOOP? WHAT IS INPUT AND OUT PUT AND OUTPUT OF D.C.S. AND P.L.C.? PRINCIPLE AND WORKING OF HART? WHAT IS PNP AND NPN PROXY? CALIBRATION OF PRESSURE ,LEVEL ,FLOW SWITCH? DESCRIPTION OF FIELDBUS FOUNDATION? WORKING OF SOV.?

2 Answers  

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what do you mean by smart instruments ? define ? give an example?

2 Answers   Flour Tech Engineers (P) Ltd,

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How can I map a tank?  Tank 15m h and 42m dia. we just fixed radar type lit. its reading shows over range. Now its required mapping ?

1 Answers   CMC,

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hiii.... can any one provide me previous years question paper of hindustan petroleum for instrumentation engineering???

0 Answers  

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What is the formula to convert mv to temperature in k type thermocouple?pls simply elaborate? I got one ans.it is Temp=mv×25°+atmospheric temp,but here what is 25°,i confusef ,so pls????

2 Answers   HPCL,

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Any body have know try work calculation ???

0 Answers  

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how to draw a flowchart for swapping two numbers using bit wise operators?

1 Answers  

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What is the difference between compensation and extension cable.

11 Answers   HPCL,

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what is cascade loop and how it work and why it used instead of PID single loop? In cascade, Which loop is faster and slower? Please explain with loop drawing and example...

2 Answers   Honeywell,

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Somebody ask me how many size of control valve what is mean of control valve size?

2 Answers  

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