Control Systems

Questions on Ratio Control System
  • Control Systems

Questions on Ratio Control System

A byproduct of the kraft process used in the paper industry for turning wood chips into pulp is a liquid…

4 years ago
  • Control Systems

Fault in the Temperature Loop

An operator tells you the stack temperature of this incinerator is running high as indicated by TIC-37. The setpoint is…

4 years ago
  • Control Systems

Temperature Controller Problem

Suppose a chemical reactor is heated by steam. A temperature controller varies the amount of steam admitted to a “jacket”…

4 years ago
  • Control Systems

How Valve Positioners act as Cascade Control Systems in a Loop?

Explain how all valve positioners essentially act as cascade control systems in a loop, and why valve positioners generally improve…

4 years ago
  • Control Systems

What LIC and FIC Controllers will do?

In this example problem, we discuss about both LIC and FIC controllers and what will they do over time if…

4 years ago
  • Control Systems

Problem in Water Level Control System

This water level control system (for a municipal water supply operation) is supposed to maintain constant water level in the…

4 years ago
  • Control Systems

Burner Safety Logic for Initial Lighting

In this article we will go throw some Standard burner safety logic for initial lighting of the burner and also…

4 years ago
  • Control Systems

Problem on Pressure and Level Control Loops

Examine these pressure and level control loops (transmitter-controller-valve systems) for an industrial boiler, controlling both water level and steam pressure:…

4 years ago
  • Control Systems

Cascade Temperature Control System

Explain the operation of this cascade temperature control system: Cascade Temperature Control System Cascade control systems (also called two-element control…

4 years ago
  • Control Systems

Types of Interlocks

Interlocking is primarily a safety measure, though, the process interlocks used to control the loops or sequence. Interlock Philosophy Interlocking…

3 years ago