Sprinkler & Suppression Systems

Question 1

What are the 4 basic functions of a sprinkler system?

Answer 1

1. Detect the presence of fire
2. Attack the fire
3. Contain or extinguish the fire
4. Raise the alarm for occupants within the building and the fire brigade

Question 2

List the 6 types of sprinkler.

Answer 2

• Wet pipe
• Dry pipe
• Alternate wet & dry pipe
• Pre-action/dry pipe
• Residential
• Deluge

Question 3

What are the yoke arm colour codes that correspond with the following nominal release temperatures?

• 68-74
• 93-100
• 141
• 182
• 227

Answer 3

• 68-74 Uncoloured
• 93-100 White
• 141 Blue
• 182 Yellow
• 227 Red5

Question 4

What colour of sprinkler head liquid correlates to the following activation temperatures?

• 57°C
• 68°C
• 79°C
• 93°C
• 141°C
• 182°C
• 204-260°C

Answer 4

• 57°C Orange
• 68°C Red
• 79°C Yellow
• 93°C Green
• 141°C Blue
• 182°C Mauve
• 204-260°C Black

Question 5

What are the 4 causes of alarm activation?

Answer 5

1. The opening of a sprinkler head
2. The opening of a drain or test valve
3. Damage
4. Rise in water pressure