what is difference btween rotameter and orifice plate?

3 Answers  

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why 4 to 20 ma used at 0 set

2 Answers   Borouge, Yokogawa,

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i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is imran_dilsetu@yahoo.com please tell me interview question relative to instrumentation ?

0 Answers  

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List three types Level Gauges with their working principles

0 Answers   ABB,

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what are the installation requirement is common to all flow meter when volumetric flow rate is being measured

1 Answers  

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Which topics are covered in Process Control?

0 Answers   Honeywell, L&T,

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what is lead lag compensator and for wat v using that???

3 Answers  

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3element

2 Answers  

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diff bw range and span?

3 Answers  

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what is the field bus calble ? what are diffrences in orang colur cable and black coular calble ?

0 Answers   ABB, Yokogawa,

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What is the difference between PLC and DDC?

0 Answers   Emami,

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Why do we need to install hook-up line differential pressure type level transmitter when the differential pressure type level transmitter with capillary are available?

2 Answers  

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