regarding level tx i would like to know how to select the range of the level transmitter in a closed drum(steam drum or deaerator)?

1 Answers  

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TCD Principle

1 Answers  

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if change the pid in D value so what action.

2 Answers   Siemens,

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(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.

0 Answers   ADMA OPCO,

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What are the logic behind 2x2 and 2x3 logic and more when ask in interviews

1 Answers   Reliance,

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Why we use the double acting control valve in flow line?

3 Answers  

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Why drum level range is given -500 to 0 mmwc pls give me that answer

1 Answers  

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I want to measure level under vaccum by using DP Tx and vaccum vary between -500 to -670 mmHg and process fluid is accetic anhydride if consider process fluid density 1 kg/cm2. how to calibrate Tx ? consider level is 0 to 100 Cm.

1 Answers   CCC,

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What is Actuator?

3 Answers   Descon,

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why orfice is not used for main steam flow calculation

0 Answers   OEG,

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Technician A says the brake warning light is connected into both the parking and service brake systems. Technician B says the brake warning light will come ON only if the service brake system fails. Who is correct?

2 Answers  

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A RANGE OF TRANSMITTER IS (0-400)B mm abs what is "B"?

1 Answers   HCL,

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