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

1 Answers   ADMA OPCO,

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How does a redundant controller comes in line when the main controller fails??

3 Answers   Yokogawa,

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how can calibrate pressure transmeeter in the feild ?

1 Answers  

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You are looking at the RS-485-side of an RS-232/RS-485 converter and the power supply voltage for the converter is +5V. Under idle conditions (no transmission), and assuming you have enabled the RS-485 output: what would you expect at: (a) Output A measured against output B (b) Output A measured against ground (c) Output B measured against ground

1 Answers   EIT,

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what is plc? Basic function of plc? application of plc in industry? What is lader diagram ? What is the main advantage to use plc in industry?

15 Answers   Schlumberger,

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Manipulation of dead wt. tester double piston type.

0 Answers   CCIE,

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what is thermo coupler and how it works

2 Answers   Tisco,

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what is air to open and air to close control valve and difference btwn this...and how to measure milli amp by this...and what is the role of positioner and i/p converter in this..plz help me

2 Answers   HCL, SOC,

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What are the application of bernoulli’s theorem?

0 Answers  

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how to calibrate bubbler type level transmitter of rosemount make and how to set air flow according to the range.. give one calibration procedure with one example

1 Answers  

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for oil & gas industries which zone is normally preferred? why? give its example?

0 Answers  

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What is mean by AC voltage and DC voltage

2 Answers  

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