why use 4-20mA in the field of instrumentation?

8 Answers  

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Qatar fertilizer call me for interview as Instrumentation Project Engineer. Please let me know what kind of question they asked ? ALso they said they will take Written test, any idea about this written test ?

1 Answers   QAFCO,

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what is the hydra step level sensor output value( measuring level of steam drum)

3 Answers   Adani, ITPS,

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what is mapping in instrumentation and control engineering

2 Answers  

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WHAT IS THE DIFFERENCE BETWEEN DCS & PLC.

9 Answers   Reliance,

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Can we use thermocouple in generator of power station replace RTD(pt 100)? if we don't have any place for use RTD.

2 Answers  

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The performance of a pump is monitored by measuring the ________ and _________ pressures

1 Answers  

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Which type of pressure can be measured by primary elements?

0 Answers  

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in split range control system we are using two control valves,but we have only one positioner and one feed back link.so how we use this one feed back link for two control valves?

2 Answers  

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where the use of direct action control valve?

2 Answers  

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Describe the function of Accumulator into the Pump

0 Answers  

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describe flow nozzel principle?

0 Answers   SEWA,

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