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Fire fighter 1 exam questions and answers rated 100% correct.
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Fire fighter 1 exam questions andanswers rated 100% correct.
Define spalling ANS - when temperature weakens the surface of concrete, masonry, or brick and causes
chipping
Identify 3 factors that cause steel to fail ANS - including the mass of the steel components, and the
loads placed upon them, and The methods used to connect the steel pieces
Identify the 5 step process used by dispatch for an emergency incident ANS - 1. call receipt 2. location
validation 3. classification & prioritization 4. unit selection 5. dispatch
Explain the purpose of SOPs ANS - to help create consistency and predictability in the performance of
tasks, as well as provide a means of quality control.
Explain benefits of using computer-aided dispatch systems ANS - It can allow public safety operations
and communications to be augmented, assisted, or partially controlled by an automated system.
Examples include computer-controlled emergency vehicle dispatching, vehicle status, incident reporting,
and management information.
Explain components of an initial radio report ANS - Description of conditions as they appear/establish
initial arrival time/describes actions being taken/describes actions that need to be taking by other
responding units.
explain how nozzles affect fire streams ANS - This affects the nozzle reaction, cooling efficiency of the
spray, and the amount of water actually used
Explain the difference in fog stream and smooth-bore stream ANS - fog streams are combination
nozzles that can produce a mist or straight stream. Smooth bore only produce a solid fixed stream
Nozzle pressure for fog nozzle ANS - 75 or 100 psi
, Nozzle pressure for smooth bore nozzle ANS - 50 psi
Nozzle pressure for smooth bore nozzle (master Stream) ANS - 80 psi
Describe a flat hose load ANS - hose is laid flat in the hose bed without twists or kinks
Describe a triple-layer hose load ANS - hose is folded back onto itself to reduce the length to 1/3 before
loading the hose
Describe a minuteman hose load ANS - loaded as a flat load with two loops extended to be able to pull
all the hose off at once
Describe a preconnected flat hose load ANS - hose is laid flat in the hose bed without twists or kinks
and is already connected to a pump discharge outlet
Explain characteristics of a liquid ANS - a fluid that has no independent shape but has a definite volume
and does not expanded indefinitely and is only slightly compressible
What are the 4 main methods of extinguishing a fire? ANS - 1 Cooling the Burning Material
2 Excluding Oxygen from the Fire
3 Removing Fuel from the Fire
4 Using a Flame Inhibitor.
What is backdraft? ANS - A backdraft is a result of sudden introduction of air into a confined space
containing oxygen-deficient products of incomplete combustion.
What is a flashover? ANS - The transition phase from growth to fully developed, where all surfaces
exposed to thermal radiation reach ignition temperature almost simultaneously.
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