Chemical Engineering - Process Control and Instrumentation
Exercise : Process Control and Instrumentation - Section 6
- Process Control and Instrumentation - Section 1
- Process Control and Instrumentation - Section 2
- Process Control and Instrumentation - Section 3
- Process Control and Instrumentation - Section 4
- Process Control and Instrumentation - Section 5
- Process Control and Instrumentation - Section 6
- Process Control and Instrumentation - Section 7
11.
Block diagram of a simple standard control system is shown below in the figure.
Which of the following statement about the above control system is wrong ?
Which of the following statement about the above control system is wrong ?
The transfer functions of the measuring element and the process is represent by H and G2 respectively
The overall transfer function for the change in load (X = 0) is given by 
The overall transfer function for the change in set point (X1 = 0) is given by 
Manipulated variable is represented by C.
12.
Water is flowing through a series of four tanks and getting heated as shown in figure. It is desired to design a cascade control scheme for controlling the temperature of water leaving the tank 4 as there is a disturbance in the temperature of a second stream entering the tank 2. Select the best place to take the secondary measurement for the second loop.
13.
The term analogous to voltage in a single tank system is the
14.
In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the __________ variable.
15.
Mcleoid gauge is used to measure the
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