HAZMAT TECH 1 VERSION 1 ACTUAL EXAM 2025/2026 COMPLETE QUESTIONS WITH CORRECT, DETAILED ANSWERS (VERIFIED) | GRADED A+ | BRAND NEW VERSION!!

HAZMAT TECH 1 VERSION 1 ACTUAL EXAM 2025/2026 COMPLETE QUESTIONS WITH CORRECT, DETAILED ANSWERS (VERIFIED) | GRADED A+ | BRAND NEW VERSION!! 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. 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. D. vent and burn. When sampling air, _________ is the common reading used to determine exposure guidelines and values. A. PPH B. PPM C. PPB D. PPT 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 A. alpha Sodium hydroxide and potassium hydroxide are best described as: A. polymers B. catalysts C. acids D. bases 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 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 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 A. 25 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 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 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. B. Statement 1 is true; statements 2 and 3 are false. 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 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 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 A. TLV-C 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 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 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. 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 B. four The amounts of an ingested substance that result in the death of 50% of the test population best defines: A. LC50 B. LC10 C. LD50 D. IDLH C. LD50 Which of the following values represents an atmosphere that poses an immediate hazard to life or the potential to produce immediate, irreversible, debilitating effects on health? A. TLV-TWA B. IDLH C. REL D. PEL B. IDLH Which of the following exposure values could be repeated during an 8-hour work day a maximum of four times for 15 minutes with a 60-minute rest period between exposures? A. IDLH B. TLV-TWA C. TLV-STEL D. TLV-C C. TLV-STEL The maximum airborne concentration to which an average healthy person may be exposed 8 hours a week best defines: A. TLV- TWA B. TLV-STEL C. IDLH D. TLV-C A. TLV- TWA A one percent concentration of a substance in air is equal to 10,000: A. PPM B. PPB C. PPT D. PPH A. PPM The "rem" is a unit that measures: A. radioactive contamination B. the number of nuclear decays that occur during a specific time C. radiation exposure or dose D. rapid energy movement C. radiation exposure or dose The minimum amount of a solid or liquid that may be fatal when ingested or absorbed through the skin is known as: A. the ceiling limit B. LDL-lo C. STEL D. LC50 B. LDL-lo