Haz Mat Operations Final Exam

Common hazardous materials stored in nonbulk packages, referred to as bags, are: A. liquids B. corrosives C. fertilizers D. poisons

C. fertilizers

Work uniforms that provide minimal protection best defines EPA Level _______ protection. A. A B. B C. C D. D

D. D

Which of the following exposure values could be repeated a maximum of four times daily for 15 minutes with a 60-minute rest period between exposures? A. TLV-C B. IDLH C. TLV-TWA D. TLV-STEL

D. TLV-STEL

Blood agents, such as Arsine, would fall under which UN/DOT hazard class and division? A. 1.1 B. 2.3 C. 1.2 D. 6.1

B. 2.3

Which of the following components of a positive pressure self-contained breathing apparatus reduces high storage pressure and controls the flow of air to the user? A. Pressure gauge B. Regulator C. Valves D. PASS device

B. Regulator

The elapsed time between initial contact of a chemical with the outside surface of the chemical protective equipment and detection at the inside surface of the materials is called: A. permeation B. breakthrough time C. penetration D. degradation

B. breakthrough time

A process by which a hazardous liquid flow is redirected away from an area is called: A. retention B. diversion C. dispersion D. absorption

B. diversion

Which of the following value represents an atmosphere that poses an immediate hazard to life or produces immediate, irreversible, debilitating effects on health? A. PEL B. REL C. IDLH D. TLV-TWA

C. IDLH

Each individual reporting to only one supervisor defines: A. Span of Operations B. Span of Control C. Unity of Command D. Unified Command

C. Unity of Command

A Level II incident that is beyond the normal capabilities of the first responder having jurisdiction and may require a response from: A. the National Response Center B. the National Radiological Commission C. a hazardous material response team. D. Chemtrec

C. a hazardous material response team

Heat _________ occurs when the circulatory system begins to fail, resulting in rapid, shallow breathing and cool, clammy skin. A. stroke B. cramps C. exhaustion D. rash

C. exhaustion

To minimize the physical limitations of PPE, a firefighter should: A. remove his/her own PPE B. immediately remove the PPE C. hydrate frequently D. ignore heat stress when wearing PPE

C. hydrate frequently

Chemical vapor protective clothing should be used when ___________ are suspected. A. corrosives B. splash hazards C. extremely hazardous substances D. All of the above

D. All of the above

The number to be used to contact CHEMTREC during a chemical emergency is:

1-800-424-9300

Packaging used for transport with extremely low levels of radioactivity that present no risk to the public or environment is known as: A. Concrete Box B. Excepted C. Industrial D. Type B

D. Type B

When implementing tactical activities during a bomb event, responders should: A. use only one radio when in close proximity to the device B. stage in the line-of-sight path of the suspected device C. move the device away from primary exposures D. be alert for secondary devices

D. be alert for secondary devices

T or F Vapor pressures of a substance at 100F are always higher than the same substance at 68F.

False

Which of the following statements is true concerning the proper procedures for dilution of a spill? A. Fuels, oils, and other hydrocarbons are readily diluted with water. B. Flush the material into a waterway C. A foam blanket should be applied and repeated frequently D. Dilution may be effective when combined with other containment tactics

A. Fuels, oils, and other hydrocarbons are readily diluted with water.

You have arrived on the scene of a hazardous materials incident involving pesticides. On one of the pesticide labels, you notice the statement, "Keep from waterways". This statement is called the: A. Hazard Statement B. Danger Statement C. EPA Statement D. Signal Words

A. Hazard Statement

A single or double manhole assembly protected by a flash box and roll-over protection is an identification features of a(n) _________ carrier: A. MC 312 B. MC 307 C. MC 331 D. MC 306

A. MC 312

Dizziness, headache, nausea, vomiting, diarrhea, and decreased urine output are all signs of: A. heat stroke B. heat cramps C. heat exhaustion D. Both B and C are correct

A. heat stroke

When assisting emergency personnel out of their personal protective equipment (PPE), it is important to remember to: A. remove PPE slowly so as not to shock the body B. cut off all PPE since it can not be used again C. Both A and C are correct D. immediately remove PPE as quickly as possible to allow personnel to cool rapidly and avoid overheating

D. immediately remove PPE as quickly as possible to allow personnel to cool rapidly and avoid overheating

Under fire conditions, indicators preceding a rupture of a compressed gas tank include all of the following except: A. a change in the position of the tank B. discoloration of the tank C. a high-pitched whistle D. leakage of the hazardous material

D. leakage of the hazardous material

Materials that emit ionizing radiation are called __________ materials? A. lethal-concentration B. negative-ion C. synesgeous D. radioactive

D. radioactive