HOW STUFF WORKS
QUIZZES

The Ultimate Fire Sprinkler System Quiz
by Staff
Fire sprinklers may not look pretty, but if you think about how your home would look after a fire has ravaged it, it may be worth putting up with a few fire sprinklers sticking out of your ceiling. Fire sprinklers have fire-sensing abilities that trigger the sprinklers into action well before the fire brigade arrives. Take this quiz to see what you know about this clever system that may save your home and your life.

### How are fire sprinkler systems activated?

• by smoke
• by heat
• by flammable sprays

### How many sprinklers are triggered at once?

• one
• all sprinklers in the room
• all sprinklers in the system

• 3 times less
• 6 times less
• 9 times less

### At approximately what temperature are sprinkler systems activated?

• 100 degrees Fahrenheit (38C)
• 120 degrees Fahrenheit (49C)
• 140 degrees Fahrenheit (60)

### How does heat activate the sprinklers?

• It causes a glass trigger to break.
• It sparks a fire in the sprinkler.
• It causes a plastic trigger to expand and hit an alarm.

### Which of the following will you still need, even if you have a sprinkler system installed?

• a hose
• smoke detectors
• a room temperature censor

• copper
• aluminum
• zinc

• air
• water
• chemicals

• air
• water
• chemicals

### How do dry pipe systems compensate for their slower reaction times?

• A couple of sprinklers are triggered at a time.
• They react at lower temperatures.
• The pipes are larger.

### Pre-action systems are a type of dry pipe sprinkler system. What is a benefit of the pre-action system?

• They prevent false sprinkler activation.
• They react very quickly.
• They use smaller pipes.

### How does a pre-action system prevent false sprinkler activation?

• It is triggered at higher temperatures.
• It requires two triggers.
• It requires manual activation.

### What is the chance that a sprinkler will be falsely activated?

• 1 in 160
• 1 in 160,000
• 1 in 16 million

### What sort of place is a pre-action system good for?

• a museum
• a swimming pool
• an office

### A deluge sprinkler system is another type of dry sprinkler system. Where are deluge systems commonly used?

• in schools
• in office buildings
• in chemical plants

### Which infamous building claimed to be "absolutely fireproof"?

• the Montreux Casino
• the Winecoff Hotel
• the Empire State building

• in the 1940s
• in the 1950s
• in the1960s

### Which of the following buildings are required to install fire sprinklers?

• commercial buildings
• museums
• private homes

• 1000
• 2000
• 3000

• 2 percent
• 10 percent
• 20 percent
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