what should be minimum length and size of impulse line for steam flow orifice and feed water orifice? asked by sanjay parihar

1 Answers   Birla,

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Why Flow measure in Square-root?

12 Answers  

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in any transimitter (flow/level) there are three terminals for supply& test (+,-,+)in two wire,24VDC given to Tx.,but how 4-20 ma signal travels thru same wire (as it is for 24VDC input supply)?

1 Answers   Jindal, UltraTech,

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Control valve Flow characteristic. How the equal percentege curve form?

5 Answers  

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Why plc require in analog input 4-20amp & 0-10 volt?

0 Answers  

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What is the reason for not giving very High Proportional Gain Kp in PID Controller?

2 Answers   ABB,

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what is the difference between two wire transmitter and 4- wire transmitter

3 Answers  

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what does a positioner in control valve ?

11 Answers  

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Can you explain drawbacks between P,I,D & PID controller

1 Answers   JSW, Priya Cement, TPL,

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Why does a pressure gauge installed on reactor, doesn't have any vent line below to release the pressure? Is it any kind of designing mistake or it actually does not require any vent line? And if it does not require any vent line below it then how we are gonna release the pressure built inside the pressure gauge?

0 Answers   Process Control Technologies,

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What is the differences of Level swich( LS ) and Level Transmitter(LT)

2 Answers   Hi Spectra, Sipra,

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which gas or which liquid is filled in capillary of dial type temperature indicators on power transformers

2 Answers  

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