Dear Sir/Madam, I am attending an interview for ETs in BHEL. I have cleared my written test under Electronics (Instrumentation). This is the first time I am appearing for an interview. Can any one who has attended the interview earlier give me a clue to face the interview. With regards Sindhu

2 Answers   Siemens,

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what happens when the profibus fails while in operation (operation of a valve)?

5 Answers   L&T,

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components of control circuit belongs to control valve

0 Answers   KOC,

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Give me a simple formula to calculate the bore of orifice plate with datas avilable instead of BS 1040.I want to calculate the approximate bore size only.

0 Answers  

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Tyes of interface level measurement and how to use that technique for interface level measurement,

0 Answers  

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how in the 2 - wire transmitter, 24v supply and the 4ma signal gets in the same path?

1 Answers   Yokogawa,

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in DCS or PLC we can not put all ai or di,there is calculation through which we can accomodate certain no of digital and analog signal.I need to know that calculation

1 Answers  

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in the boiler in the main steam line and its bypass line and the startup vent vales are only motorised valves why cant we use other types of valves such as pneumatic.

3 Answers  

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what's meanning of 1250KVA and how to calculate with Volttage and Current. answer give with example.

3 Answers  

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why cant we use mV instead of mA?

12 Answers   ABB, Power Grid, Qatar Gas, USW, Visa Steel,

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When LP SURGE happening in compressor

3 Answers   KNPC, KOC,

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How Control valve sizing is done?

3 Answers  

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