what is the difference betwwen the 2wire level transmitter and 4wire level transmitter??and their applications also??

2 Answers  

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what is thermopile?

1 Answers   HNG,

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why we use impulse line of flow transmitter at 45 deg. angle both side of orifice plate.

0 Answers  

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What is electronics?

6 Answers   ITC Infotech,

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can i get any detail of interview question asked for instrumentation,plc,scada ,dcs..............

2 Answers   Asec, Honeywell,

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hiii.... can any one provide me previous years question paper of hindustan petroleum for instrumentation engineering???

0 Answers  

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if a tank is contaning oil and water than how can we measure the oil and water level seperately

3 Answers  

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What is mean by Adapter block and net block?

1 Answers   Hospira,

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can any one pl explain me in brief that how we select the leakage classification in valve,means for liquid or gas there is any standard for selecting leakage classification or its depend upon valve size or any any other parameter.

3 Answers  

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what are the types of a thermocouple

2 Answers  

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why the discharge pressure of ID fan showing negative at fan running condition.(boiler operating condition.)

5 Answers  

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why the supply frequency used in America is 60Hz while that used in India is 50Hz?,

2 Answers   Bosch, Genco,

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