TEST YOUR FIRE FIGHTING KNOWLEDGE Please enable JavaScript in your browser to complete this form.Name *FirstLastEmail Adress where we can send your results *We will not distribute your email addressName the three elements that need to be present to sustain fire / combustion?O2, helium, heatO2, fuel, heatNitrogen, fuel, heat What classifies as a CLASS B fire?flammable liquids & gassesordinary combustibleselectricityWhat is the most common type of portable fire extinguisher? *Dry chemical powder extinguisherwater extinguishersand bucketName three methods of INDIRECT fire spread?wind, fuel, ambersconvection, arson, radiationconvection, conduction, radiationSubmit