Fire Fighter Test Questions Flashcards
- Hazardous waste can be a mixture of several chemicals. What is it called?
Hybrid Substance
- By what acronym is the federal document containing the HM’s response competencies know?
HAZWOPER
- What level of HM’s training enables fire fighters to recognize a potential HM’s incident, isolate and deny entry to other responders and the public, evacuate persons in danger, and take defensive action such as shutting off valves and protecting drains without having contact with the product?
Operations
- At what level of HM’s training are fire fighters trained to enter heavily contaminated areas using the highest levels of personal protection?
Technician Level
- What level receives more specialized HM’s training than the Technician level?
Specialist
- The HM’s materials officer levels assume this minimum level of HM’s training?
Operations
- In general, which type of incident moves faster, a structure fire or a HM’s situation?
A Structure Fire
- In reality, when does the response to a HM’s incident begin?
With training, learning about the regulations and agencies involved, and finding out about potential hazards in the jurisdiction.
- Incident planning should focus on both the real threats that exist in the department’s community and:
The real threats that exist in adjacent communities the department might assist.
- The bulk of the new chemicals introduced each year fall into one of three categories, two of which are industrial chemicals and household cleaners. What Is the third?
Lawn care Products
- What sub-organization within the NFPA produces the HM’s standards?
Technical Committee on HM’s Response Personnel.
- What does the W stand for in HAZWOPER?
Waste
- Where can the HAZWOPER regulation be found?
CFR 29, parts 1920.120
- What level of HM’s training enables first responders to recognize a potential HM’s emergency, protect themselves, isolate the area, and call for assistance?
Awareness
- What committees gather and disseminate information about HM’s to the public?
Local emergency planning committees
- Who or what is the liaison between local and state levels of authority?
State emergency response commission.
- Response agencies should conduct incident-planning activities at certain hazards in the jurisdiction. At what type of hazards?
Target
- What type of actions should technician-level hazardous materials responders’ take?
Offensive
- What federal agency enforces and publicizes laws and regulations governing transportation of goods?
DOT
- What dictates the actions taken at a HM incident?
The chemical involved
- What are the characteristics of a chemical called that are measurable, such as vapor density, flammability, etc?
Physical properties
- What is the expansion ratio of water?
1200:1
- How is flammable range related to the relative danger of a substance?
The wider the range, the more dangerous.
- What does it mean if a substances’ vapor density is 2.3?
It will sink in air.
- What mnemonic helps fire fighters remember a set of lighter-than-air gases?
HA HA MINCE
- Corrosives can be broken down into _____.
Acids and basis
- At what pH is a substance neither acidic nor basic?
7
- What is defined as a material capable of posing an unreasonable risk to health, safety, or the environment and capable of causing harm?
Hazard
- What is the expansion ratio of liquid propane?
270:1
- What is the temperature at which a liquid continuously gives off vapors called?
Boiling Point
- What is the temperature at which a flammable liquid will ignite without need of an external ignition source called?
Ignition Temperature
- What is the vapor density of air?
1
- How does the vapor pressure of a liquid relate to its rate of evaporation?
The greater the vapor pressure, the faster it will evaporate.
- What is one type of radiation?
Alpha (Beta, Gamma – also excepted)
- A change in the state of a material is known as a ______ change.
Physical
- What is the boiling point of water?
212 degrees Fahrenheit
PEL
Permissible Exposure Limit
8hr/40hr work week
IDLH
Immediately Dangerous to Life & Health
- Do Not Exceed / 30min - Window of Escape
TLV.C
Threshold Limit Value - Ceiling
- Max / Never Exceed
STEL
Short Term Exposure Level
- 15min.
10,0000 ppm =
1% Volume
Black Smoke is usually…
Unburnt CO particles
HA HA MINCE
Lighter than air gases
Hydrogen Ammonia Helium Acetylene Methane Illuminating Gas (Neon & Hydrogen Cyanide) Nitrogen Carbon Monoxide Ethylene