WorksheetsFIRE PREVENTION AND FIRE FIGHTING
Total questions: 5
Worksheet time: 3mins
If the three elements of fire is present at your location, why hasn’t the fire started?
Because there should be a chemical reaction within the three element
Due to minimal oxygen content present in the area
Because the fuel needs to be of liquid type
Because there should be a human intervention for fire to start
How does a dry powder extinguisher eliminate fire? This is also the reason why dry powder is also a multipurpose extinguisher
It interrupts the chemical reaction between elements
It shuts off the fuel source
It increases the amount of oxygen in the fire
It cools down the source of fire
If you see a small fire, what is the first thing you will do?
Raise the alarm, then extinguish the fire
Extinguish the fire, then inform the bridge
Extinguish the fire, then raise the alarm
Raise the alarm, then do mustering
It depends
When entering a compartment which is on fire, why do we need to direct the hose upward (20 degrees) first?
To cool down the heat which is concentrated at the upper part of the compartment, adding ease of passage for the firefighters
To provide oxygen to the burning materials inside the compartment
To control the movement of air inside compartment
To distribute evenly the heat in the area on fire
Why must CO2 extinguishers not be used when extinguishing a class A fire?
CO2 only removes Oxygen, and it does not have any cooling capability
CO2 removes oxygen and cools down the material
It interrupts the chemical reaction and cools down the material
It is not advisable to use CO2 extinguisher at all due to health risks
