Answer / raja2016

safety barriers simply neglecting the spike voltages from the field that affecting the electronic I/O cards in the PLC system by fuse blow down in it
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Answer / vikash shukla

safety barriers are device which are used to lower the electrical energy when transmitting signal from hazardous area so that combustion and other accidents can be avoided.

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

5 Answers   L&T,

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how pressurize drum calibrated ?

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what is upstream and downstream in liquid flow?

6 Answers   Thermax,

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explain level transmitter working

1 Answers  

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i am from instrument branch i want paper patern of mahagenco . any pevious years paper regarding my branch send me please . please.....

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EXPLAIN PROPOTIONAL INTEGRAL DERIVATIVE CONTROL ACTION?

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all questions related to instrument technician in any offshore oil and gas company.

0 Answers  

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what is difference between 3 wire and 4 wire RTD sensor?

12 Answers   HTA Instrumentation,

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1 Answers   Flour Tech Engineers (P) Ltd,

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