Answer / praveen kumar

First check project what kind and what parameters you want
to control like flow,temperature,level,pressure and then
acccording to that how many inputs y needed then y decided
for PLC ok

Answer / solomon

first study laddder logic diagram.In programming i/o
addressing only difference for different plc make.allen
bradley is the best plc.

plc trouble shootings?

3 Answers  

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what is hot loop check and cold loop check.

3 Answers   Bapco Bahrain Petroleum Company,

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centrifugal compressor interlock? Tell me the parameter at which compressor will trip

0 Answers   Cairn,

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what is see back effect?

9 Answers  

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Give an example where you had aproblem on the job, and tell me how you solved the problem. and the finalvoutcome.

0 Answers   American Steel,

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what is orfics working in main steam line. is it increase pressure, velocity of steam flow and dicrease steam flow rate. or any other

0 Answers  

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what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.

0 Answers  

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What information needs for Control Valve "sizing"

1 Answers   Qatar Petroleums,

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i have an interview in Qatar Petroleum. So please provide the all details abt fire & gas systems

1 Answers   Qatar Petroleums,

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How does a strain gauge measure pressure?

2 Answers  

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How do you measure g's?

5 Answers   Aramco, GNFC, HPCL, Polmon, Thermax,

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How many types of sensors are used in instrumentation & what are names

1 Answers   CTC,

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