Hotel Service Unit 15 Q4 Quiz

Hotel Service Unit 15 Fire Q4

1 / 6

What is the required timeframe for a CO₂ smothering system to reach full flooding in a machinery space according to regulations?

A) Within 2 minutes

C) Within 1 minute

D) Within 5 minutes

B) Within 10 minutes

2 / 6

What is the primary reason for the strict regulation on the flooding time for CO₂ systems?

B) To quickly displace oxygen and smother the fire before it spreads

D) To allow for personnel evacuation

C) To increase pressure in the room

A) To reduce CO₂ usage

3 / 6

What should be done with machinery in the space before activating CO₂ discharge?

C) Increase its operating speed

A) Reduce its power output

D) Start standby equipment

B) Shut down all operating machinery

4 / 6

Why should ventilation systems in the machinery space be closed before activating the CO₂ system?

D) To prevent smoke from escaping

C) To allow the CO₂ to mix with fresh air

B) To prevent CO₂ from leaking out and maintain the concentration needed to smother the fire

A) To maintain oxygen levels

5 / 6

What is the first step to take before activating the CO₂ smothering system in a machinery space?

C) Close the CO₂ cylinders manually

B) Ensure that all personnel have evacuated the machinery space

D) Increase ventilation to the space

A) Verify if water-based extinguishing systems have failed

6 / 6

What additional safety measure should be taken before activating a CO₂ system?

D) Increase ventilation to the space

B) Open the machinery space doors

C) Start the fuel pumps

A) Alert personnel in adjacent spaces

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