Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

0 Answers  

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what are the different types of terminal lugs used for wiring termination?

5 Answers   Yokogawa,

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Difference between 2-Valve Manifolds, 3-Valve Manifolds and 5-Valve Manifolds 3 with diagram

0 Answers   Acire Systems,

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control panel design guidelines

0 Answers  

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what is use single seated and double seated valve?

2 Answers   Doha Petroleum Construction DOPET,

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What is the procedure of DP switch calibration 

2 Answers   NOCL,

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What is the use of +/- 20ma in analog measurement,and which instrument gives +/-20ma output

1 Answers  

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what is flow equation of kg/hr to m3/hr

2 Answers   Philips,

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what is metal of piston ring

0 Answers   MahaGenco,

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i want to know for good instrument engineer or success how many software knowledage required & from which university

0 Answers  

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What is the procedure of changing a Faulty Module of Allen Bradley PlC without stopping the Process

1 Answers   Siemens,

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Ohm’s law, kirchoff’s law, pascal’s law, Bernoulli’s therem,

1 Answers   CCIE, Emcure,

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