EXERCISES, LESSON 4
INSTRUCTIONS: Answer the following exercises by marking the lettered response that
best answers the exercise, by completing the incomplete statement, matching, or by
writing the answer in the space provided at the end of the exercise.
After you have completed all the exercises, turn to "Solutions to Exercises" at the
end of the lesson and check your answers. For each exercise answered incorrectly,
reread the material referenced with the solution.
For industrial operations, what type of system has been designed to protect
workers and create a safe, comfortable working environment?
Generally speaking, why is ventilation probably one of the most important control
techniques for workers? It:
a. Provides for fire protection.
b. Is a way of controlling the environment with air=flow.
Creates negative air.
d. Is used in its natural form.
The purpose of air-flow in an industrial operations environment is to reach which
Providing for proper heating and cooling.
d. Deleting make-up air.