Process Dynamics And Control

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a) What is vortex? Give some examples.b) Illustrate the use of Dry adsorption system and hydrated lime in Vapour phase carbon adsorption system.


Which flow measuring meter is used in waste water treatment plants? Why?


Write short note on Liquid-propellant rockets.Give few real-time applications.


What is called physical change in the context of Chemical kinetics?Give two examples of your own.


Q.2 The process is described by the following transfer function


A proportional controller operated pneumatically is used to control temperature within the range of 65°F to 100°F.The measured temperature goes for 71°F to 78°F with the set point held constant when he controller is adjusted so that the output pressure goes from 3 psi (valve fully open) to 15psi (valve fully closed). Find the Proportional band.


Compare Process Flow Diagram (PFD) and Process and Instrument Drawing(P&ID).


Write the advantages and disadvantages of Electromagnetic flow meters.


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