Answer / asif

Function Test is to carried out the test for the devices wherether it is functioning properly or not as per the data sheet . Usually in Instrumentation, it is carried out for pressure switch, flow switches etc.

In your own words, would you expect an ultrasonic level device to work better in a pressure vessel with a high pressure or a strong vacuum, and why?

1 Answers  

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what are the inputs (drawings) we need to prepare loop schematics??

1 Answers  

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How will you calibrate PID controller? explain with example.

0 Answers   Jacobs, Sirte Oil Company,

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What is instrumentation amplifier?

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In bimetallic temp. Gauges why does metal strip bend? Why do we use low expansion factor metal and high expansion factor metal in bimetaliv strip?

1 Answers   Process Control Technologies,

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An atmospheric storage tank has a diameter of 20 m and a height of 8m.It is half-full of liquid with the remainder of the space containing air normally at atmospheric pressure. If the connection to atmosphere is accidentally closed off and 10 cubic m of liquid removed, what happens to the internal pressure of the tank? What are the possible consequences for the tank?

1 Answers  

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what is shutoff dp? why is it important for selection of a control valve?

1 Answers  

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what is the difference between hub and switch?

6 Answers  

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What is an antisurge control system, how it works?

3 Answers  

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What is the difference between a PLC (Programmable logic controller) and DCS (distributed control system)?

7 Answers  

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what is the formula for changing Range of Transmitter from X mmwc to some Y mmwc with respect to DCS NCMH flow range from x NCMH to y NCMH?

1 Answers   HCL,

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PLS TELL ME THE FUNCTION OR PRINCIPLE OF CREEP RELEIF VALVE..

3 Answers  

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