any body please send me the old question papers of ongc test.

0 Answers   NTPC,

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In which principles tx ,pressure gauge,Temp gauge,control valve works?

0 Answers   Bajaj, Professional Instruments,

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What is the working principle of Bentley Nevada 3300

1 Answers   SMIT,

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why the discharge pressure of ID fan showing negative at fan running condition.(boiler operating condition.)

5 Answers  

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what does it mean an active front end in vfd plz explain it briefly

0 Answers  

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what is the dp across a orifice plate & how much is permanent pressure across an orifice plate.

2 Answers   HPCL,

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Which buffer solution is used for PH transmitter calibration?

3 Answers  

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how eddy current loss in probe and induced gap voltage accros probe trip and shaft

1 Answers   Reliance,

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What is the difference between fiber optic cable & Ethernet cable

2 Answers   BEMCO, CCC, Pidilite,

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How to calculate the range of level transmitter?

4 Answers   Wika,

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Introduce yourself which is not present in your biodata?

0 Answers   GAIL,

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what is mean by process control?

4 Answers  

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