Answer / basit

CNC mean "computer numeric control"

i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

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How much flow is passing through 6 inch line? There are no gauge, no any transmitters in line.

3 Answers  

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What are the interlocks we have to check during the start up of LP/HP compressor?

0 Answers   Hamsco,

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in my plant 100% feedwater control v/v is air to close but due to instrument air fail,the valve opens but instead of drum level high its get tripped in low low drum level.the urv of level tx is 0 and lrv is -800.pls tell me the reason. for such behaviour.

1 Answers   Sirpur Paper Mill,

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What is mean by analytical instrumentation?

0 Answers  

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I installed the smartplant instrument v8, but can not be opened, that always said: "INTools 2007 hardlock no found". So Could you help me how to do for that?

0 Answers   SRAAC,

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I saw one P&ID 6" control valve has been connected with 8" process line, and 2" valve also connected in parallel with 6" valve. why the 2" valve connected in parallel, Is there any technical reason. please clarify. With Regards-Kittu

5 Answers   GNFC,

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What is require for PLC Programming?

6 Answers  

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what is the tempareture conpensation?what is the use of this?

1 Answers  

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what is three element in thermal boiler

9 Answers  

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What you mean by multi stage control vavles?

0 Answers  

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thru which signal does µP communicate with memory

3 Answers  

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