plz send me placement paper of ongc

0 Answers   ONGC,

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what is piezoelectric transducer?give an example in power plant n state its principle?

0 Answers   Jindal,

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why we are using pnp npn for sensors is there any other type?

1 Answers   CGL,

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why use on -off control valve in glove valve

1 Answers  

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What is the load line in control valve?

1 Answers   IFFCO,

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pl give the guidance for DUBAL written test

1 Answers  

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Punj lloyd is coming in our Jadavpur Universtiy campus for campus placement. Please send me some hints about the writtend exam. My email id is subratafriends@gmail.com

0 Answers   IGL, Punj Lloyd Ltd, Shapoorji Pallonji Group(SPCL),

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Dear all... I have 1 0-400 duplex type RTD, I connected the A side to the temperature indicator and B side to the PLC panel, but when I have observed then found that The PLC side temp has the variation. and it was distub to other RTD temp also. so what can I do.

1 Answers  

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Why we using 250ohm resistance during lab calibration and why not using in field in one plz define deeply???

1 Answers   Cisco,

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diff between neutral ,ground,phase , earthing and shielding?

0 Answers   L&T,

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Troubleshoot to the device level basic process control systems given the Process and Instrumentation Diagram?

2 Answers   Chettinad, HPCL,

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how to measure oxygen which methods are using?

0 Answers  

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