Download MOD A FIREFIGHTER BASIC OPERATIONS ,MOD A FIREFIGHTER BASIC OPERATIONS and more Exams Safety and Fire Engineering in PDF only on Docsity!
MOD A FIREFIGHTER BASIC
OPERATIONS
Types of special extinguishing agents - ANSWERS-o Wet chemical o Dry chemical o Clean agent o Combustible metals o Foams (expansion, alcohol, AFFF, etc.) What is the Class A Fire Extinguisher numerical rating classification - ANSWERS-The numerical rating for a Class A Fire extinguisher refers to the amount of chemicals/agent in the extinguisher. The number represents the chemical/agent's equivalent to gallons of water the extinguisher holds. Multiply the number in front of A by 1.25 to figure out the equivalent to gallons of water. o Example: A Fire Extinguisher with a rating of 2A would contain the equivalent to 2.5 gallons of water (2 x 1.25) What is the Class B Fire Extinguisher numerical rating classification - ANSWERS-o The numerical rating for a class B fire extinguisher refers to the number of cubic feet that the Fire Extinguisher will be able to extinguish. o Example: A Fire Extinguisher with a rating of 1A:10B:C would contain agents equal to 1.25 gallons of water (1 x 1.25) and would be able to extinguish 10 square feet of a class B fire.
The bottom of a fire extinguisher is not to be less than - ANSWERS- 4 inches above the floor Who determines, where you can wear your uniform - ANSWERS- SOPs What is not part of the member assistance program - ANSWERS-• Marriage counseling
- CISD
- Substance abuse
- Tuition reimbursement Where can you get training - ANSWERS-• Fire department
- Hospital
- NIPSTA
- online Nine basic fire service knots - ANSWERS-• Safety knots (overhand)
- Half hitch
- Clove hitch
- Figure eight
- Figure eight on a bight
- Figure eight follow through
- Figure eight bend
- Bowline
When do trusses fail durning a fire - ANSWERS-in 5 - 10min how often should you test generators - ANSWERS-weekly or more What does MABAS stand for - ANSWERS-Mutual aid box alarm system EAP - ANSWERS-An employee assistance program (EAP) is a work- based intervention program designed to identify and assist employees in resolving personal problems auto ignition temperature - ANSWERS-lowest temperature at which it spontaneously ignites in normal atmosphere without an external source of ignition, such as a flame or spark. This temperature is required to supply the activation energy needed for combustion. The four basic organizational principles to operate effectively as a team member: - ANSWERS-UNITY OF COMMAND SPAN OF CONTROL DIVISION OF LABOR DISCIPLINE UNITY OF COMMAND - ANSWERS-principle that a person can report to only one supervisor.
SPAN OF CONTROL - ANSWERS-number of personnel one individual can effectively manage. 3-7 people typical DIVISION OF LABOR - ANSWERS-dividing large jobs into small jobs. (to assign responsibility, prevent duplication of effort, make specific and clear-cut assignments) DISCIPLINE - ANSWERS-an organization's responsibility to provide the direction needed to satisfy the goals and objectives it has identified. ADMINISTRATION - ANSWERS-responsible for the day-to-day operations of the department. Consists of the chief and any support staff. LINE PERSONNEL - ANSWERS-responsible for fire suppression, rescue, and in some departments: emergency medical services, hazardous materials response, and any number of technical rescue services. Consists of officer and firefighters assigned to operational shifts or crews. STAFF PERSONNEL - ANSWERS-responsible for support operations of the department. Differs from department to department. May include training, fire prevention, public education, maintenance, and any other support services of the departments. WHAT DOES THE ENGINE COMPANY DO - ANSWERS-deploys hose lines for fire attack and exposure protection.
- Liaison
- Operation
- Planning
- Logistics
- Finance and Administration Two types of training records that are required to be maintained by the Division of Personnel Standards and Education: - ANSWERS-- Learning objectives.
- Practical evaluations and written exams. NFPA 1001 - ANSWERS-Standard for Fire Fighter Professional Qualifications FIRE - ANSWERS-a form of combustion, self-sustaining process of rapid oxidation of a fuel that produces heat and light COMBUSTION - ANSWERS-self-sustaining chemical reaction yielding energy or products that cause further reactions. HEAT - ANSWERS-the form of energy that raises temperature, the energy transferred from one body to another when the temperature of the bodies are different
IGNITION TEMPERATURE - ANSWERS-the minimum temperature to which a fuel, in air, must be heated to start self-sustained combustion without a separate ignition source. LOWER FLAMMABLE LIMIT ( LFL ) - ANSWERS-minimum concentration of fuel vapor and air that will ignite. Limits below the lower flammable limit (LFL) are called too "lean" to burn. UPPER FLAMMABLE LIMIT ( UFL) - ANSWERS-concentration above which combustion cannot take place. Limits above the upper flammable limit (UFL) are called too "rich" to burn FLAMMABLE (EXPLOSIVE) RANGE - ANSWERS-the range between the lower flammable limit and upper flammable limit. VAPOR DENSITY - ANSWERS-weight of a given volume of pure vapor or gas compared to the weight of an equal volume of dry air at the same temperature and pressure. SOLUBILITY - ANSWERS-degree to which a solid, liquid or gas dissolves in a solvent (usually water). Fire Triangle - ANSWERS-A. Heat B. Fuel C. Oxygen
RADIATION - ANSWERS-transfer by heat waves The Law of Heat Flow - ANSWERS-A. Heat flows from a hot substance to a cold substance. B. A colder substance will absorb heat until temperatures are equal. Three Physical States of Matter - ANSWERS--SOLID
- LIQUID
- GAS Phases of Fire - ANSWERS--IGNITION
- GROWTH/FREE BURNING
- FULLY DEVELOP
- FLASHOVER
- DECAY IGNITION - ANSWERS-occurs when the four elements of the fire tetrahedron come together and combustion begins. GROWTH/FREEBURNING - ANSWERS-fire plume begins to form above the burning fuel. Begins to draw air from the surrounding space into the plume.
ROLLOVER/FLAMOVER - ANSWERS-the ignition of combustible gases, which have spread thru the fire area. Differs from flashover in that only combustible gases are burning. FLASHOVER - ANSWERS-- transition between the growth stage and fully developed stage of a compartment fire. Occurs when flame flash over the entire surface of a room. Occurs because of ALL the materials in the room reaching their ignition temperatures. FULLY DEVELOPED - ANSWERS-all combustible materials in the compartment are involved, releasing the maximum amount of heat and producing large amounts of fire gases. DECAY - ANSWERS-as fuel is consumed, the rate of heat decreases. Amount of fire diminishes and temperatures begin to decline. BACKDRAFT - ANSWERS-explosion or rapid burning of gases. Occurs when oxygen is introduced into a smoldering fire. Often caused by improper ventilation. Warning signs of back draft - ANSWERS--pressurized smoke exiting small openings
- dense gray-yellow smoke
- confinement and excessive heat
- little or no visible flame
- smoke leaving the building in "puffs" (puffs out and then sucked back in)
- High pressure hose
- Intermediate pressure hose
- Face piece
- Control module When will the low air alarm sound on a SCBA - ANSWERS-when one quarter of the air remains Full protective equipment list - ANSWERS-A. Helmut B. Protective Hood C. Coat & Trousers D. Gloves E. Boots F. Eye Protection G. Hearing Protection H. SCBA (self-contained breathing apparatus) I. PASS (personal alert safety system) NFPA 1971 - ANSWERS-Standard on Protective Ensemble for Structural Firefighting FOLDING/ATTIC LADDER - ANSWERS-hinged rungs so one beam rests on the other. Usually 10 feet long.
ROOF LADDER - ANSWERS-straight ladder. Equipped with hooks on one end for anchoring to ridge. Usually 12 - 24 feet long. EXTENSION LADDER - ANSWERS-adjustable in length. Base or bed section with one or more fly sections. Heavier than a single ladder. Range from 12 to 39 feet. STRAIGHT/WALL LADDER - ANSWERS-non-adjustable, one section. Usually 12, 14, 16, 18 or 24 feet in length. AERIAL LADDER DEVICES - ANSWERS-vehicle mounted. 50 - 135 feet in length. Components of Ladders - ANSWERS-A. Base Section B. Beam C. Beam Bolts Hose Rolls: - ANSWERS-A. Straight Roll B. Donut Roll C. Twin Donut Roll D. Self-locking Twin Donut Roll Hose Lay: - ANSWERS-A. Forward Hose Lay B. Reverse Hose Lay
- 60min Is it legal to wear contact lens inside SCBA - ANSWERS-Yes SKIP breathing technique - ANSWERS-o Take a short, partial breath o Hold the partial breath o Do not exhale o Take a second short partial breath o Slowly exhale When are closed circuit SCBA used - ANSWERS-• Mine/Tunnel
- SCBA worn for extended periods of time When are open circuit SCBA used - ANSWERS-• Structural firefighting NFPA 1500 - ANSWERS-standard on Fire department occupational safety and health program OSHA - ANSWERS--Occupational safety and health administration
- Establishment and enforcement of regulations for respiratory protection programs Brick Veneer - ANSWERS-Single thickness of brick wall facing placed over frame construction or masonry other than brick
Five types of building construction - ANSWERS--Type I Fire resistive
- Type II Non combustible
- Type III Ordinary
- Type IV Heavy Timber
- Type V Wood frame Type I Fire resistive - ANSWERS-Structural members are noncombustible or limited combustible material Type II Non combustible - ANSWERS-o Similar to Fire Resistive but degree of fire resistance is less o Heat buildup during a fire may cause structural supports to fail Type III Ordinary - ANSWERS--Exterior walls and structural member are noncombustible or limited combustible
- Interior structural members completely or partially of wood Type IV Heavy Timber - ANSWERS-o Exterior and interior walls and associated structural members and noncombustible or limited combustible materials o Other interior structural members are made of solid or laminated wood with no concealed spaces o Wood has large enough dimensions (6x6) to be considered heavy timber
Expansion of water when turn into steam - ANSWERS-1,600- 1, times Load bearing wall - ANSWERS--Walls that support structural weight
- Can be interior or exterior
- max height is 6 stories Non-load bearing wall - ANSWERS-Walls that do not support structural weight Live Load - ANSWERS-Any load that is not fixed or permanent Dead Load - ANSWERS-Weight of any permanent part of the building Impact Load - ANSWERS-Load in motion when applied Curtin wall - ANSWERS-Nonbearing exterior wall attached to the outside of the building Thermal layering - ANSWERS-When gases form into layers according to temperature.
SOP - ANSWERS-Standard operating procedures, instruction intended to instruct people on how to perform a routine activity. First fire department ever - ANSWERS-24B.C by Caesar of Rome First paid fire department - ANSWERS- 1679 in Boston First volunteer fire department - ANSWERS- 1735 by Ben Franklin location of the most popular place where firefighter injury and death occurs - ANSWERS-operating at the scene Nature of injury that is the leading cause of firefighter death or injury
- ANSWERS-Heart attack Freelancing - ANSWERS-not following the group, working independently from others Fire door ratings - ANSWERS-- 3 hours
- 1 1/2 hours
- 1 hour
- 3/4 hour
- 1/3 hour Life safety rope - ANSWERS--For life saving purposes
