Questions and CORRECT Answers
in case of fire - Correct Answer- Sound the alarm (location & how to activate)
MUST Call Main Control
Calling Main Control for Fire Procedures - Correct Answer- Give your name
Location of fire
Type of fire
Hold phone for verification
The fire triangle - Correct Answer- oxygen - right side
heat -bottom
fuel - left side
Fire Tetrahedron - Correct Answer- fuel -top triangle
chemical chain reaction -bottom triangle
heat- bottom left triangle
oxygen - bottom right triangle
Chemical Chain reaction - Correct Answer- in the burning process of fuel elements(
compounds)are released by heat produced by the fire. These elements join in the fire
(combined with oxygen) to produce more heat which releases more fuel elements
What is the difference between the fire triangle and the fire tetrahedron? - Correct Answer-
Chemical chain reaction
Oxygen percentage in normal air - Correct Answer- 21%
Oxygen - Correct Answer- supports combustion & life
, Minimum percentage of oxygen needed to support respiration & combustion - Correct
Answer- 16%
visible flame goes out (oxygen) - Correct Answer- 15%
Fire goes out (oxygen) - Correct Answer- 5%
definition of fire - Correct Answer- fire is a rapid chemical combination of fuel and oxygen in
the presence of Heat usually accompanied by production of heat light and combustion
byproducts (smoke gases and dust)
byproducts of combustion - Correct Answer- smoke gases and dust
Fire is usually accompanied by - Correct Answer- smoke gases and dust
solid states of fuel -tetrahedron - Correct Answer- wood, paper, plastic, rubber
converted into a gas by pyrolysis
size and shape effects ease of ignition and rate of burning
liquid states of fuel - Correct Answer- gasoline, kerosene, paint thinner,
vaporization produces gas
flammable or combustible
flammable - vaporization occurs at 99 degrees and below
combustible - vaporization occurs at 100 degrees and above