Question: what are the different types of fire protection systems?
Answer: Wet Fire Sprinkler Systems. – The wet-pipe system employs automatic sprinklers attached to a piping system connected to a water supply. ... 
Dry Pipe Systems. ... 
Special Hazard Fire Protection Systems. ... 
Dry Chemical Fire Suppression Systems. ... 
Gaseous Fire Suppression Systems. ... 
Foam Fire Suppression Systems.