what should be distance from tapping point to inallation place of instruments?
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Answer / meraj143545@gmail.com
Under 6 mtr should be installed tx
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Answer / afsar mumtaz
D AND D/2 IN CASE OF UP STREAM AND DOWN STREAM
D: DIAMETER OF PIPE
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Answer / arun
D is the distance between taping and orififace plate flange
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what is weighfeeder
Ohm’s law, kirchoff’s law, pascal’s law, Bernoulli’s therem,
thru which signal does µP communicate with memory
If we interchange HP and LP tapping in drum level measurement and reverse LRV & URV correspondingly.What is the difference between the normal tapping(HP,LP) and reversed tapping(LP,HP)?
generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?
How do Foundation Fieldbus works? how the Communication Carries out from Foundation field bus,Field Devices and Controller? Were it's Application in the Field? For Which Signals this is Used? PLease Find this answer for this Question Detaile wise because i want to clear the Concept Regarding Foundation Field Bus,if Possible please attach the link of Document with Contails Diagramatic So that more esier for me.
What is DCS and PLC scanning time?
In RTU Panel we are having several Analogue & Digital Inputs /Outputs. We are recently facing some problems over Analog inputs , which are not updating properly (But Digital Input are updating normally) Can any one tell me from where the problem is creating , we have checked PLC CPU card, Analog Input card & we reconfigured ,But still the issue is there. Issue : 1. Sometimes Analog values are updating & sometimes not. 2. Analog values are not updating normally , showing some wrong Values 3. Total dead (0 value) Analog values are Level & flow measurement from the field instruments. (But in field the instruments are working normally & Displaying the values normally in local display unit) This problem we are facing in our Water Plant. If any one experienced this same problem or having any ideas related to our issue PLS send your valuable Answers/Replies...
how to convert cubic metre per hour to newton cubic metre per hour
If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?
what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.
how to connect the HART protocal with control valves
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