Answer Posted / eswaran p

PLC ( Programmable Logic Controller ),it is introduced as
replacement of relay logic circuit, by using PLC
complicated logic can be able to make . it is having
internal memory .

what is basic difference between motion balance and force balance in pneumatic instrument?

9757

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plz send me general of ongc

2009

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How to calibrate H2s Dectector

1675

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Decibel.

2600

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

1816

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Why are the uses 24vdc in industries

1071

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is there any digitel grevity meter availaible in the market by which we can measure specific gravity of a battery?

2279

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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.

2402

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What are the uses of orifice plates?

1143

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what is controlling card in dcs? how u measure dcs memory?what is bus in dcs?how u know dcs speed n ehternet speed?

2077

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for oil & gas industries which zone is normally preferred? why? give its example?

2048

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How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?

1672

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how u calibrate pneumatic n motorized c/v?

2010

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, Instrument Index, P&ID review, I/O schedule, datasheet, DCS / Analyzers specifications, loop diagrams, hook-up drawings.

8144

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what is the current pay package for an instrumentation engineer having 2 years of experience in cryogenic technology???????

5115

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