I have got a call of IOCL interview for projects having 2yrs experience. What sort of questions should I expect in the interview?

0 Answers   IOCL,

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How to calibrate an pressure gauge with yantrika test bench?

0 Answers  

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what is the procedure to isolate flow a transmitter and flushing it?

8 Answers   Petrofac,

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can i calibrate DP transmitter online (while Tx in Service) if yes ,how?

1 Answers   CEPC,

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Explain PID controller tuning & any one method used for it.

1 Answers   L&T, Oil India,

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whats the working principle of level transmeter?

6 Answers  

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what is the procedure of O2 sensor(ABB) calibration?

0 Answers   Aramco, Samsung,

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What is the detail function of I/O card in DCS ? Why we dont use the I/O directly with controller?

3 Answers   Kekran Mekran, TCE,

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State some of balance principle’ advantages?

0 Answers  

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Can DP transmitter with orifice plate works on Beta ratio 0f 0.3 and differential pressure of 100 MMWC in liquid service application?

1 Answers  

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how many types of thermocouple cable are? give the name of each type.

1 Answers   Fabco,

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What is Positive Calibration and Negative Calibration?

0 Answers   SA Kent,

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