Two general ways in which a sprinkler system may be pressurized is by:

Two general ways in which a sprinkler system may be pressurized is by:



1. Air.
2. Ammonia.
3. Hydrogen.
4. Water.
5. Oxygen.


a. 1, 2
b. 1, 4
c. 3, 5
d. 2, 3
e. 1, 5.





Answer: B


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