Answer Posted / rajesh

Generally we use to measure the feed water ,Steam ,FD Air,Make up water and re circulation cooling water in the power plants apart from the re circulation cooling water all are non conductive liquids and gasses so we could not use magnetic flow meter. We can use it in cooling water re circulation line of cooling tower but it is quite expensive than Annubar flow meter.

How can test or measure the probe and extension cable to identify if the problem at the probe or cable or at the driver it self? (pleast notify the measuring method)

2534

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Identification of control valve parts.

1981

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What pressure results for a flow transmitter of range 0- 180t/h in the dcs and 0-301mbar in the field using square root extraction. Kindly also suggest formulae for the percentages 0,25,50,75,100?

1882

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Which are all the commonly used Bordon tubes in the pressure gauges. Do any one use ASTM A 312 tubes for this purpose?

1726

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i want to find out iffco get test paper

12992

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How to do gas analysers calibration in AUTO and Manually by using zero and span gas?

2300

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Boolean algebra

2118

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Why is the orifice tab provided?

1145

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why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?

2167

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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?

1882

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Operational amplifiers

1906

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Can combine control system for Emergency control system (ESD)and Fire & Gas System ( F & G) is possble to built and offer to client? Can such system is as per Norms in India?

1936

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For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

5399

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Why ac supply load cell is used? Can we use the dc supply load cell?

1027

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why we are using digital signals for I/O & how to measure this signals is getting or not ?

1924

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