why we are using pnp npn for sensors is there any other type?

1 Answers   CGL,

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a pressure transmitter with a range of 0 to 2500kpag has a specified accuracy of 0.5 % of span.It is to be calibrated using a comparison gauge to have an accuracy of 0.1% of span.The comparison gauge has a range of 0 to 3000kpag What is the accuracy ratio? is this ratio acceptable?

2 Answers  

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Im working in a shopping center, it is also hotel and office building, two towers exactly and someone is proposing a PLC control for the HVAC system, but Im thinking of a DDC control system. in this case what is the difference between PLC and DDC control?

1 Answers  

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any one can send me instrumentation previous interview papers? I prepare for MNC Company Interviews? my mail id- Rakesh.Golla@dodsaldxb.ae , and another mail rakesh.gvk@gmail.com

0 Answers  

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What are different types of orifice plates? State their uses.

0 Answers  

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What is the use of single seated valve?

0 Answers  

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How to change dcs card in online. (Dsc is maxdna)

3 Answers  

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Give 2 application of quartz crystal used for process parameter measurement.

1 Answers   ADMA OPCO,

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what is loop1 and loop2 in MTS LT?

0 Answers   SPGC,

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calculate the rane of level use of this values, h=3 meter density=0.9 , whats the rang?

2 Answers  

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Can we measure pressure using differential pressure transmitter? If yes then how?

5 Answers   Reliance,

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defination of plc? why we use plc? application of plc? advantage of plc?

4 Answers  

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