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1. Which of the following is not a true statement?

   1.   ?    Make sure proper fire extinguishers are available and maintained
   2.   ?    Explosion proof lighting should be used in confined areas
   3.   ?    Do not smoke with contaminated hands
   4.   ?    Broken ladders are ok to use

2. Which statements are the most likely causes of accidents? select only one answer

   1.   ?    Unsafe acts are due to failure to recognize job hazards
   2.   ?    Too much safety training
   3.   ?    The lack of knowledge about such hazards
   4.   ?    Both a and c

3. What is the chemical formula for hydrogen peroxide?

   1.   ?    O₂
   2.   ?    CO₂
   3.   ?    H₂S
   4.   ?    H₂O₂

4. What should be done if hydrogen peroxide is splashed in the eyes?

   1.   ?    Run around the block
   2.   ?    Don an SCBA
   3.   ?    Flush with water for at least 15 minutes
   4.   ?    Drink 1 gallon of water

5. Which activities should treatment plant employees not participate in while on the job? select only one answer

   1.   ?    Practical jokes
   2.   ?    Horseplay
   3.   ?    Distraction of other employees
   4.   ?    All of the above

6. Which tools are not considered Personal Protective Equipment (PPE)? select only one answer

   1.   ?    Sludge judge
   2.   ?    Eye wear
   3.   ?    Steel-toe shoes
   4.   ?    Hard hat
   5.   ?    Gloves
   6.   ?    D.O. meter
   7.   ?    a and f

7. What is the main reason to install toe-boards?

   1.   ?    To improve the air quality
   2.   ?    To prevent items from falling on personnel below
   3.   ?    To protect eyes and ears
   4.   ?    To prevent items from being destroyed

8. What type of fire typically requires a CO₂ fire extinguisher?

   1.   ?    A only
   2.   ?    B or C
   3.   ?    C only
   4.   ?    None

9. What is the depth that dictates a trench or excavation to require sloping to angle of repose, shoring or trench box for employee protection?

   1.   ?    1 foot
   2.   ?    15 feet
   3.   ?    10 feet
   4.   ?    5 feet

10. To prevent a violent reaction from occurring, never:

    1.   ?    Pour acid into water
    2.   ?    Pour water into acid
    3.   ?    It can be done either way without a problem