Hazardous Materials Technician
(Hazmat Tech) Questions and Answers
Exam
The main purpose for monitoring and detection equipment is:
A. identifying and verifying.
B. determining appropriate levels of PPE.
C. setting hot zone boundaries.
D. assessing potential health effects. - ANSWER>>A. identifying and verifying.
The process of using a shaped charge to cut a hole in a pressurized tank and allowing it to safely
burn off is called:
A. hot tapping
B. thermal exploitation.
C. positive ventilation.
D. vent and burn. - ANSWER>>D. vent and burn.
Which of the following cooling systems are not typically used for response applications?
A. ice cooled vests
B. liquid-cooled vests
C. air-cooled jackets
D. all of the above - ANSWER>>C. air-cooled jackets
A person who proved specific expertise in product and/or containers is the:
A. Incident Commander
B. Hazardous Materials/WMD Technician
C. Technical Information Specialist
D. CHEMTREC - ANSWER>>C. Technical Information Specialist
,Records produced as a result of a debriefing best serve the purpose of documenting:
A. the equipment and apparatus exposure review.
B. the discussion of health information.
C. problems requiring immediate action.
D. all of the above are correct. - ANSWER>>D. all of the above are correct.
When dealing with radiation, it is important to remember this rule: When distance from the
radiation source is doubled, the safety factor is increased by a margin of:
A. two
B. four
C. six
D. eight - ANSWER>>B. four
When dealing with a radio-logical incident involving a leak or spill, what exposure guidelines
should the Hazardous Materials/WMD Technician use to minimize radioactive contamination?
A. Time, distance, half-life
B. Ionizing radiation, non-ionizing radiation, half-life
C. Time, distance, shielding
D. Alpha particles, beta particles, gamma rays - ANSWER>>C. Time, distance, shielding
__________is the taking of hazardous materials into the body through the skin and the eyes.
A. Absorption
B. Ingestion
C. Inhalation
D. Injection - ANSWER>>A. Absorption
Directions: Read the statements below, then select your ANSWER alternatives A-D below.
Statement 1: Gamma radiation is the most difficult form of radiation to shield.
Statement 2: Alpha radiation is not harmful to the body.
Statement 3: Gamma radiation does not travel very far.
,A. All statements are true.
B. Statement 1 is true; statements 2 and 3 are false.
C. Statement 1 is false; statements 2 and 3 are true.
D. Statements 1 and 2 are true; statement 3 is false. - ANSWER>>B. Statement 1 is true;
statements 2 and 3 are false.
When sampling air, _________ is the common reading used to determine exposure guidelines
and values.
A. PPH
B. PPM
C. PPB
D. PPT - ANSWER>>B. PPM
Radiation that can be stopped by a piece of paper is known as _________ particles.
A. alpha
B. low-beta
C. high-beta
D. gamma - ANSWER>>A. alpha
Sodium hydroxide and potassium hydroxide are best described as:
A. polymers
B. catalysts
C. acids
D. bases - ANSWER>>D. bases
A(n) __________ has the ability to pass through human tissue and travel great distances.
A. alpha particle
B. beta particle
C. immobilizing ray
D. gamma ray - ANSWER>>D. gamma ray
Lead and ethylene oxide materials that pose a threat to a developing fetus should an exposure
occur are best known as:
, A. etiologicals
B. mutagens
C. teratogens
D. synergens - ANSWER>>C. teratogens
Exposure to radiation should be avoided, but when it cannot be, a total dose not to exceed
_____ roentgens is permissible for any single life-threatening emergency.
A. 25
B. 30
C. 50
D. 100 - ANSWER>>A. 25
One gram of aspirin is a accepted dose for medicinal purposes, yet quantities in excess of 10
grams have caused death. This is an example of:
A. dose/response
B. toxicology
C. exposure
D. concentration - ANSWER>>A. dose/response
The minimum concentration of a chemical in the gaseous state that, when inhaled, will be fatal
to 50% of the population is:
A. TLV50
B. LD50
C. LC50
D. CL50 - ANSWER>>C. LC50
The concentration that should not be exceeded, even for an instant, is called:
A. TLV-C
B. PEL
C. TLV-TWA
D. STEL - ANSWER>>A. TLV-C
The amounts of an ingested substance that result in the death of 50% of the test population
best defines:
(Hazmat Tech) Questions and Answers
Exam
The main purpose for monitoring and detection equipment is:
A. identifying and verifying.
B. determining appropriate levels of PPE.
C. setting hot zone boundaries.
D. assessing potential health effects. - ANSWER>>A. identifying and verifying.
The process of using a shaped charge to cut a hole in a pressurized tank and allowing it to safely
burn off is called:
A. hot tapping
B. thermal exploitation.
C. positive ventilation.
D. vent and burn. - ANSWER>>D. vent and burn.
Which of the following cooling systems are not typically used for response applications?
A. ice cooled vests
B. liquid-cooled vests
C. air-cooled jackets
D. all of the above - ANSWER>>C. air-cooled jackets
A person who proved specific expertise in product and/or containers is the:
A. Incident Commander
B. Hazardous Materials/WMD Technician
C. Technical Information Specialist
D. CHEMTREC - ANSWER>>C. Technical Information Specialist
,Records produced as a result of a debriefing best serve the purpose of documenting:
A. the equipment and apparatus exposure review.
B. the discussion of health information.
C. problems requiring immediate action.
D. all of the above are correct. - ANSWER>>D. all of the above are correct.
When dealing with radiation, it is important to remember this rule: When distance from the
radiation source is doubled, the safety factor is increased by a margin of:
A. two
B. four
C. six
D. eight - ANSWER>>B. four
When dealing with a radio-logical incident involving a leak or spill, what exposure guidelines
should the Hazardous Materials/WMD Technician use to minimize radioactive contamination?
A. Time, distance, half-life
B. Ionizing radiation, non-ionizing radiation, half-life
C. Time, distance, shielding
D. Alpha particles, beta particles, gamma rays - ANSWER>>C. Time, distance, shielding
__________is the taking of hazardous materials into the body through the skin and the eyes.
A. Absorption
B. Ingestion
C. Inhalation
D. Injection - ANSWER>>A. Absorption
Directions: Read the statements below, then select your ANSWER alternatives A-D below.
Statement 1: Gamma radiation is the most difficult form of radiation to shield.
Statement 2: Alpha radiation is not harmful to the body.
Statement 3: Gamma radiation does not travel very far.
,A. All statements are true.
B. Statement 1 is true; statements 2 and 3 are false.
C. Statement 1 is false; statements 2 and 3 are true.
D. Statements 1 and 2 are true; statement 3 is false. - ANSWER>>B. Statement 1 is true;
statements 2 and 3 are false.
When sampling air, _________ is the common reading used to determine exposure guidelines
and values.
A. PPH
B. PPM
C. PPB
D. PPT - ANSWER>>B. PPM
Radiation that can be stopped by a piece of paper is known as _________ particles.
A. alpha
B. low-beta
C. high-beta
D. gamma - ANSWER>>A. alpha
Sodium hydroxide and potassium hydroxide are best described as:
A. polymers
B. catalysts
C. acids
D. bases - ANSWER>>D. bases
A(n) __________ has the ability to pass through human tissue and travel great distances.
A. alpha particle
B. beta particle
C. immobilizing ray
D. gamma ray - ANSWER>>D. gamma ray
Lead and ethylene oxide materials that pose a threat to a developing fetus should an exposure
occur are best known as:
, A. etiologicals
B. mutagens
C. teratogens
D. synergens - ANSWER>>C. teratogens
Exposure to radiation should be avoided, but when it cannot be, a total dose not to exceed
_____ roentgens is permissible for any single life-threatening emergency.
A. 25
B. 30
C. 50
D. 100 - ANSWER>>A. 25
One gram of aspirin is a accepted dose for medicinal purposes, yet quantities in excess of 10
grams have caused death. This is an example of:
A. dose/response
B. toxicology
C. exposure
D. concentration - ANSWER>>A. dose/response
The minimum concentration of a chemical in the gaseous state that, when inhaled, will be fatal
to 50% of the population is:
A. TLV50
B. LD50
C. LC50
D. CL50 - ANSWER>>C. LC50
The concentration that should not be exceeded, even for an instant, is called:
A. TLV-C
B. PEL
C. TLV-TWA
D. STEL - ANSWER>>A. TLV-C
The amounts of an ingested substance that result in the death of 50% of the test population
best defines:
