what will be the principle & application of dissoled oxygen analyzer at wast water treatment plant at oxidation basin & how it work?

1 Answers  

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i have a dp tx range is 5000mmwc. in which calibration i use in a open tank.1.5*3.5*2.5 mtr.for level msmnt. what is the calculation.

2 Answers   Bajaj Hindusthan,

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what is hot loop check and cold loop check.

3 Answers   Bapco Bahrain Petroleum Company,

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A pressure differential gauge type of instrument has a manifold with 2 isolation valves (hp and lp),2 vents(1 each for hp and lp) and 1 equalizing valve. Determine the position of each valve(either fully closed or fully open) when troboulshooting to: 1. zero the transmitter. 2. determine if there is a block in the impulse line. 3. determine if the gauge is functioning properly. The process fluid is water.

1 Answers  

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how to calculate interface capelary level transmetar lower S.G.0.54 and uper S.G. 0.26 and h=490 mm

3 Answers  

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hi this is noor in my work spot, i arranged THERMOCOUPLE in the place of RTD. (in FEED WATER tank). can i use T/C or not?

10 Answers  

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what is orfics working in main steam line. is it increase pressure, velocity of steam flow and dicrease steam flow rate. or any other

0 Answers  

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can someone tell me about electronic speed switch &how it conect with proximittyswitch?(with dgm)

0 Answers  

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A differential pressure transmitter is configured to measure the height of an open tank : height 10m and dia 5m. Suppose this same transmitter is shifted to another open tank : height 10m and dia 4m. What will be the %error in measurement? how?

3 Answers   McCoy Engineering,

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in instrumentation why we are using 4-20mA , why not voltage ? if somebody design a instrument which works on voltage then can we use that instrument?

6 Answers  

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what is the difference between auto tuning and manual tuning of controllers(eg:PID,PI,PD CONTROLLERS )

2 Answers   GATE,

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hi... i'm about to learn siemens plc i came across following question in my mind ... plr ans 1. hw motor operated by plc 2. hw drive operated by plc explain dis by both ladder logic diagram and hardware config , connection

2 Answers   KCP Cements,

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