Answer / vijay krishna

first thing we have to pick up the internal relay in i/o
panel for that we can use 24v dc,ac.it is a potential free
contact what ever the supply we r giving to he relay we
will get the same after the do is generate

Answer / muthukumar

How to calculate fan flow through DP transmitter ? And also mention the formula.please.

diffrence b/w accuracy and precision?

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what is plc? breif explain

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how do i tune dearator pr control valve using PID. we set the set point is 0.6kg/cm2 now i want 0.5 to 0.7kg/cm2 limits so what should i give p,i,d values. then pls explain how do set pid values for control valve tuning?

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Difference between dcs and plc including date processing and architecture.

0 Answers  

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Flame scanner

1 Answers  

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what is the difference between scaler and vector drive

0 Answers   Jindal,

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How works weighfeeders in cement industry? what is the working principle?

0 Answers  

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I have a orifice installed in plant which is design for 0~100 inH2O for 0~80MMSCFD, now due to process change the maximum flow is change to 120 MMSCFD so for this new process value what will be the DP across orifice.

1 Answers  

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please any body have most important data for study for saudi aramco test of instrument QC thanks email shahnaveedullah@gmail.com

0 Answers  

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how can I install "operating system " in may HART communicator? It is damaged, and it doesn't boot up.

1 Answers   ARPC,

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Where are use of pressure,level,flow switches?and what is input and output

3 Answers  

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How to connect another 24 volt dc power supply in circuit when previous power supply has become weak.what is the connection?

2 Answers   Bhole Baba Dairy Industries,

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