PRT 110: Lesson 11 Engineering Controls


Lesson Plan


  • Describe the key elements of risk evaluation.
  • Describe the different types of alarms and indicators used in the CPI.
  • Explain how floating roof tanks work.
  • Discuss how closed-loop sampling systems work.
  • Describe the term, “noise abatement.’
  • Describe interlocks and automatic shutdown devices.
  • Explain the principles of process containment.
  • Describe the principles of effluent and waste control.
  • Illustrate and explain how a flare system works.
  • Describe deluge and explosion suppression systems.
  • Identify basic pressure relief devices.

Read and Watch

Read chapter 11 of the textbook. Watch the following videos:

Hierarchy of Controls


Wireless Industrial Plant-Wide Gas Detection: Honeywell Safety


Sampling system for liquid or gas


Pressure Safety Valve


ko flare system



  1. Complete the homework associated with the assigned reading.
  2. Complete the activity assigned.
  3. Complete the activity quiz.
  4. Complete the chapter quiz.

Activity Quiz