HMFRO Final Exam Questions and Answers Latest Version 2025 Graded A+
UN identification numbers must be displayed on : - Answers cargo tank trucks
Water had a specific gravity of: - Answers 1
In which route of entry does material enter the body through the skin or eyes? - Answers Absorption
Which chemical hazard cause temporary but sometimes severe inflammation to ice skin and respiratory
system? - Answers Irritants
What is a hazardous material? - Answers Substance that can be dangerous to human health or the
environment if not properly controlled
UN identification numbers have _____ digits. - Answers 4
Asphyxiation hazards: - Answers prevent the body from absorbing oxygen.
UN identification numbers are provided in which section of the ERG? - Answers Yellow-bordered section
The NFPA 704 system rates the severity of hazards on a scale from - Answers 0-4
Which written resources must accompany shipments of hazardous materials? - Answers Shipping papers
Which of the senses is safest to use? - Answers vision
What is the first incident priority at hazmat/WMD incidents - Answers Life safety
I have which of the following involves considering all factors that will affect an incident and responders?
- Answers Initial size-up
Which mode of operation includes actions to actively control the hazard? - Answers offensive
Contact information for emergency response centers is included in which pages of the ERG? - Answers
white pages
Which of the following best describes limitations of air purifying respirators? - Answers Need for normal
oxygen content in atmosphere before use
Which EPA level of protection includes a CBA or SAR and provides protection against splashes from
hazardous chemical? - Answers Level B
Which EPA level of protection is used only for nuisance contamination with no atmospheric hazard? -
Answers Level D
PPE selection is determined by: - Answers risk and potential hazards.
Which method of protection is particularly effective at incidents involving radiation? - Answers Time,
distance, shielding
UN identification numbers must be displayed on : - Answers cargo tank trucks
Water had a specific gravity of: - Answers 1
In which route of entry does material enter the body through the skin or eyes? - Answers Absorption
Which chemical hazard cause temporary but sometimes severe inflammation to ice skin and respiratory
system? - Answers Irritants
What is a hazardous material? - Answers Substance that can be dangerous to human health or the
environment if not properly controlled
UN identification numbers have _____ digits. - Answers 4
Asphyxiation hazards: - Answers prevent the body from absorbing oxygen.
UN identification numbers are provided in which section of the ERG? - Answers Yellow-bordered section
The NFPA 704 system rates the severity of hazards on a scale from - Answers 0-4
Which written resources must accompany shipments of hazardous materials? - Answers Shipping papers
Which of the senses is safest to use? - Answers vision
What is the first incident priority at hazmat/WMD incidents - Answers Life safety
I have which of the following involves considering all factors that will affect an incident and responders?
- Answers Initial size-up
Which mode of operation includes actions to actively control the hazard? - Answers offensive
Contact information for emergency response centers is included in which pages of the ERG? - Answers
white pages
Which of the following best describes limitations of air purifying respirators? - Answers Need for normal
oxygen content in atmosphere before use
Which EPA level of protection includes a CBA or SAR and provides protection against splashes from
hazardous chemical? - Answers Level B
Which EPA level of protection is used only for nuisance contamination with no atmospheric hazard? -
Answers Level D
PPE selection is determined by: - Answers risk and potential hazards.
Which method of protection is particularly effective at incidents involving radiation? - Answers Time,
distance, shielding
