what is working principle of presure and temperature guage?

4 Answers  

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IN CONTROL VALVE SPECIFICATIONS GENERALLY TERM " DE- 200" ."DM -400"USED,, WHAT IS DE/ DM STANDS FOR?

0 Answers  

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what is the difference between plant earth and instrument earth? and what type of cable( cable size ) used for both? and why ?

0 Answers  

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Any can guide for QA/QC Inspector in oil & gas region, the procedures, formats standards, design criteria, i search in all enginees but i can't found wat i need?????????

4 Answers   Aramco, Asian Paints,

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What is the working principal of Mass flow transmitter?

1 Answers  

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what is the difference between SMART and tipical transmeter ?

3 Answers   Sirte Oil Company,

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the square root type transmitter r used to which applications

4 Answers   Roche,

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what is the difference b/w wet leg & dry leg level method

2 Answers  

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what is the difference between CPC and i/p converter

1 Answers   Siemens,

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What is surge and how is it prevented.

1 Answers   ADMA OPCO,

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If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

0 Answers   QAFCO,

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pls send me the 10 years technical question papers of NTPC AND BHEL

15 Answers   Bhel, NTPC, ONGC, UCE,

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