Sharpen your knowledge with this Compressed Air quiz:

1. According to the US Department of Energy, compressed air systems account for a substantial sum of money in energy costs. What is that sum?
   a. $100 million per year    b. $500 million per year    c. $1 billion per year    d. 1.5 billion per year
   
   
2. To effectively analyze your compressed air system you should determine your compressed air needs. Some of these needs are:
   a. compressor blow down requirements    b. air odor and air color
   c. regulator placement    d. pressure requirements and air quality
   
   
3. While compressed air is important for many applications, there are situations in which compressed air can be replaced by alternative applications, methods or technologies.
   a. true    b. false
   
   
4. According to the US Department of Energy, a typical industrial facility consumes approximately_____ of electricity to generate compressed air.
   a. 5%    b. 10%    c. 15%    d. 20%
   
   
5. Compressed air leaks don't affect anything other than energy costs.
   a. true    b. false
   
   
6. The US Department of Energy suggests that optimization of compressed air systems can provide energy efficiency improvements of _____ percent.
   a. 5-15%    b. 10-20%    c. 20-50%    d. 50-70%
   
   
7. According to experts, appropriate uses of compressed air should include:
   a. clean-up of dirty areas    b. drying    c. personnel cooling    d. none of these
   
   
8. Inadequate maintenance procedures in compressed air systems only affect the life expectancy of the system components.
   a. true    b. false
   
   
9. All drain valves in compressed air systems should always be left open to allow for proper drainage.
   a. true    b. false
   
   
10. Ultrasonic inspection of compressed air leaks
    a. is the most effective method    b. can be used in noisy environments
    c. can be used to generate cost savings reports    d. all of the above