Chemical engineering

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Shivam Kapoor scheduled a test

Test name: Chemical Technology - 3 [ Take Test ]

Jul 31, 2014 9:51 AM

Pinkesh Kumar shared a question:

Direction: A PID controller output p(t), in time domain, is given by
p (t) = 30 + 5e (t) + 1.25(t) dt +
where e(t) is the error at time t. The transfer function of the process to be controlled is The measurement of the controlled variable is instantaneous and accurate.

The transfer function of the controller is
(A)

(B)

(C)

(D)

Jul 21, 2014 4:30 PM

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BIPIN KUMAR shared a question:

A pipeline system carries crude oil of density 800 kg/m³. The volumetric flow rate at point 1 is 0.28 m³/s. The cross-sectional areas of the branches 1, 2 and 3 are 0.012 m², 0.008 m² and 0.004 m², respectively. All the three branches are in a horizontal plane and the friction is negligible. If the pressures at the points 1 and 3 are 270 kPa and 240 kPa, respectively, then the pressure at point 2 is