When steam-heated reboilers are used in distillation columns and the heating medium is steam, a flow control loop for the…
Let’s consider the figure below: Figure 1.0 Typical single-fuel cross-limited combustion control system In the system above, the output of…
Let’s consider the industrial process control system shown below: Figure 1.1 Industrial Process Temperature Control System The requirement is to…
Let’s assume we are measuring flow by differential-creating primary device for example an orifice plate and a DP cell as…
A steam generator is an item of plant equipment that is found in almost every manufacturing site, and its output…
The figure below shows a typical basic furnace used to raise the temperature of a heat-transfer medium that is used…
Null Instrument The null technique is one of the operational modes for a measuring instrument. A null instrument employs the…
Analog Sensors Analog sensors provide a signal that is continuous in both its magnitude and its temporal (time) or spatial…
Most of the water treatment plants in the previous decade were manually operated. However, they were automated to a certain…
A typical electric solenoid actuator consists of a coil, armature, spring, and stem. This is illustrated in the figure below:…
