what is the field bus calble ? what are diffrences in orang colur cable and black coular calble ?

0 Answers   ABB, Yokogawa,

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State four different types of flow measurement, for gas flow measurement MMSCFD is the common unit expand the unit and specify significance of word S in the unit.

0 Answers   ADMA OPCO,

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what is positive displacement meter.

1 Answers   Takreer,

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what is plc?

27 Answers   HPCL, KRL, Noor Company, Petrochemicals, SS Automation,

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Wht should be the ratio of natural frequency (Fn) to wake frequency (Fw) and wht if goes above the rato limit?

2 Answers  

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Area classification, Equipments, Gas groups, temperature classification, Ingress protection, Fire Extinguishers.

0 Answers   CCIE,

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For what reason would you possibly be compelled to make use of a Smith Predictor. Explain the idea behind the operation of this device.

0 Answers  

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what is the basic principal of vertax flow meter

3 Answers   Balrampur Chini Mill, Saba,

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Sir i am preparing for PSU exam for ONGC but i am not able to get the appropriate syllabus and previous year question papers. Kindly send me the same, that will be a great help from ur side. OR if anyone can plz send me the papers and syllabus please.

11 Answers   Bhel, GAIL, IOCL, ISRO, NTPC, ONGC,

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Somebody ask me how many size of control valve what is mean of control valve size?

2 Answers  

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open tank and close tank leavel transmiter about range and calibration

0 Answers  

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What happens if the Displacer has fallen or has a hole in it?

1 Answers   CCIE,

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