F89 - Fire and Life Safety Director Practice Test
F89 - Fire and Life Safety Director F89 Fire Protection Systems 3
What is the difference between a wet-pipe and dry-pipe sprinkler system?
Select your answer
A
Wet-pipe uses foam; dry-pipe uses water
B
Wet-pipe has water constantly in the pipes; dry-pipe has pressurized air until activation
C
There is no difference; both terms describe the same system
D
Wet-pipe is for indoor use; dry-pipe is for outdoor use only
Hint
