why the supply frequency used in America is 60Hz while that used in India is 50Hz?,

2 Answers   Bosch, Genco,

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WHAT ARE MAIN DIFFERENCE BETWEEN DCS AND SCADA?

7 Answers   ABB, Gold Fields, Rand Water,

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Ple give me "INDUSTRIAL INSTRUMENTATION AND CONTROL S.k. Singh 3th edition" Solution manual to self-Check Quiz and chapter-wise PowerPoint Slides. Home web-site not available... Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Thanks for all...

0 Answers  

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How can we check Zero of DP type Level Transmitter onside?

7 Answers   Birla,

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CAN WE CALIBRATE LEVEL TRANSMITTER USING HART COMMUNICATOR WHEN WATER LEVEL IS PRESENT IN THE BOILER SHELL?

4 Answers   Chemin, Emerson,

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How to calculate the flow rate in Vortex flow meter?What is K factor?Can you give me an example calculation to understand the same as better?

1 Answers   npcc, Zadco,

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which type inter lock use in petrochemical refinery,and oil & gas?

0 Answers  

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Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?

0 Answers  

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what is zero trim and span trim?. at which problem we need to use this?

3 Answers  

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WHAT IS A CALLIBRATION? WHAT IS MEEAN BY LOOP CHECKING INCLUDES PRESURE, THERMOCOUPLE,TT,DT?

5 Answers  

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a flow transmitter [range-0-400mbar] connected in process line. please explain me how to calibrate the flow transmitter , & how to do static error

0 Answers   L&T,

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i want to calibrate a transmitter in the range of -100 to 300 mmwc. How it is possible to measure -100 to 300?.

2 Answers   Hindalco,

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