Answer / thirumalai

mantaince in software side is about the DCS backup of histroy data , ERDB file eys

how can we caliberate interface level troll

2 Answers   Grasim, IOCL, KOC, Sankyu,

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How many interlocks at turbine side?

0 Answers   Edac, SRF,

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Why mmwc unit is used?

0 Answers  

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what is DCS and SCADA?

2 Answers   APL,

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Level in tank under vacuum (Ex: Condensate Tank of Power Plant)is measured using D. P. type level transmitter. Tank is subjected to vacuum of 755mmHg. Is it possible to fill wet leg ( i.e. leg connected to top of vessel with low point of D. P. xmtr) with water?. Are there chances of water getting sucked under vacuum? if yes, what is the solution?

3 Answers  

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what is difference between E/P positioner and I/P positioner. Why E/P fixed in below actuator and why I/P fixed in other place

1 Answers  

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what is the difference between CPC and i/p converter

1 Answers   Siemens,

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Which type of diagphram use in costic line,DM water line,natural gas line,oil line?

0 Answers   Hindustan Zinc,

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i feel sq. pipe is better than round pipe pls give comment for this. advance thanks for reply

3 Answers  

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What are the different types of temperature sensors and the principle they work on?

1 Answers   GAIL,

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Controller not working in auto mode?...what are the problem can occur...Pls explain

1 Answers   Aramco,

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In 2 wire transmitter 1 wire is used for power and other is used for signal( 4-20)ma In 4 wire transmitter 2 wires are used for power and 2 wires are used for signal (4-20)ma . but my question is "what is the criteria or parameters we have to consider while selecting these transmitters for eg( distance, safety zones etc.

1 Answers  

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