Unit 2 Quiz

What is the initial stage of a fire where the fire starts?

• Growth

• Fully Developed

• Ignition

• Decay

Which of the following is a cause of fire in buildings?

• Overloading of circuits

• Overloading of furniture

• Overloading of water supply

• Overloading of internet connection

What is the main component required for fire to occur?

• Carbon dioxide

• Nitrogen

• Oxygen

• Hydrogen

Which mechanism of fire spread involves the transfer of heat from one object to another through direct contact?

• Convection

• Radiation

• Conduction

• Direct Flame Contact

What type of heat detector is designed to detect rapid increases in temperature?

• Smoke Detectors

• Rate-of-Rise Heat Detectors

• Fixed Temperature Heat Detectors

• Combination Heat Detectors

What is the purpose of fire detection systems?

• To extinguish the fire completely

• To control the spread of fire

• To clean up the fire aftermath

• To provide early warning of fires and facilitate prompt response to fire emergencies

Which type of flame detector is suitable for outdoor use and is effective in high ambient light conditions?

• Visual Flame Detectors

• Multi-Spectrum Flame Detectors

• Ultraviolet (UV) Flame Detectors

• Infrared (IR) Flame Detectors

Which type of fire extinguisher is suitable for Class A fires involving organic solids?

• Dry Chemical Powder

• Carbon Dioxide (CO2)

• Water

• Foam

What is the correct method to operate a fire extinguisher?

• Push the pin, Aim the nozzle, Squeeze the handle, Sweep from side to side

• Pull the pin, Aim the nozzle, Push the handle, Sweep from top to bottom

• Twist the pin, Aim the hose, Squeeze the trigger, Sweep in a circular motion

• Lift the pin, Aim the nozzle, Press the button, Sweep in a zigzag pattern

What is the most suitable type of fire extinguisher for electrical fires?

• Water

• Carbon Dioxide (CO2)

• Foam

• Dry Chemical Powder