2026 TEST BANK WITH SOLVED
QUESTIONS AND ACCURATE ANSWERS
⫸ Fire Extinguisher - A a manually operated device for extinguishing
small fires
⫸ What are Fire Extinguishers used as? - First line of defence against
fires of limited size.
⫸ What are the 4 ways in which a fire can be extinguished? - removing
access to oxygen, removing fuel, inhibiting the chemical chain reaction
and removing heat.
⫸ Describe class A fire extinguishers and it's symbol - Class A fires
have a fuel source consisting of common materials like paper, cardboard,
lumber and plastics. Green Triangle
⫸ Describe Class B fire extinguishers and it's symbol - Class B fires are
flammable or combustible liquids such as gasoline, kerosene or common
organic solvents. Red Square
⫸ Describe Class C Fire extinguishers and it symbol - Class C fires
have common fuel sources but are ignited by electrical equipment such
, as appliances, switches, panel boxes power tools, or hot plates. Blue
Circle
⫸ Describe Class D Fire extinguishers and it's symbol - Class D fires
involve combustible metals such as magnesium, titanium, potassium,
sodium and pyrophoric organometallic reagents. Yellow Star
⫸ Describe Class K Fire extinguishers - Class K fires are kitchen fires
and have fuels similar to those in class B (vegetable oil and animal oils).
⫸ CO2 extinguishers are effective on which classes of fires? - Class B
and C. The Carbon Dioxide effectively suffocates the fire and leaves no
residue
⫸ What is the range of class A ratings? - 1-A throught 40-A
⫸ ________,________, and _________ fires must be extinguished for
an extinguisher to receive a ___A through a __A rating - Wood panel
fire, excelsior fire and wood crib fire, 1 6
⫸ Are extinguishers being tested for a larger than 6 A rating subjected to
all of these tests? - Portable fire extinguishers that are tested for larger
than a 6-A rating are only subjected to the wood crib test.