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.

What does a hookup diagram look like? can you give sample drawing. thanks.

1 Answers  

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During valve sizing from all calculation you got flow coefficient CV 12,than what it means? like for selecting pressure transmitter if your MAWP is 12 bar than you select a capsule of max. 20 bar which cover your mawp 12 in same way for selecting control valve If CV is 12 than how we use it in selecting valve??????

1 Answers  

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Differentiate between PLC, SCADA and DCS systems

1 Answers   Mumias Sugar, SRF, Trimula Industries,

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what is type of protocol used in instrument field to marshalling cabinet cabel. what is the differenance between bus cabel and instrument cabel?

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how to write the program for single push button by using ladder diagram

22 Answers   DigiTech,

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how we calculate the range of flow from a dp?i mean if we have a dp,3810mm h2o.how much flow ranges we can use for this DP?

1 Answers  

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The pressure class rating (such as 150 lb, 300 lb, etc.) of a line appears in the form of ________________ in the Line Number (or Line Designation) on a P&ID

1 Answers  

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What is the role of P(Protional), I(Integral) and D (Derivative) in PID Controller?

9 Answers  

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what is intools software

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why two probes are used in turbine flowmeters?

2 Answers  

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What are the types of control valves available

0 Answers   CCIE,

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how we can check level probe and controller

2 Answers  

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