Firefighter 1 & 2 and Hazmat Operations Practice test 1 2024-2025. Questions and Answers, Exams of Safety and Fire Engineering

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Firefighter 1 & 2 and Hazmat Operations

Practice test 1 2024-2025. Questions and

Correct Answers. Graded A

__________ glass is most commonly used in side windows in vehicles.

1. Regular/plate
2. Laminated
3. Tempered
4. Wired - ANSTempered A person entering a fire station and reporting a fire is an example of a:
5. land-line alarm.
6. direct report.
7. citizen report.
8. walk-in. - ANSwalk-in. A poison that will cause a person to have seizures is called a(n):
9. irritant.
10. sensitizer.
11. convulsant.
12. carcinogen. - ANSconvulsant.

A reaction that is associated with over-pressurization of closed containers and occurs at a rate of one second or less is called a:

1. rapid relief.
2. Boiling Liquid Expanding Vapor Explosion.
3. crack.
4. low pressure release. - ANSBoiling Liquid Expanding Vapor Explosion. A situation firefighters face with gas utilities is:
5. rapid extinguishment of the fire.
6. problems contacting the utility company.
7. locating the meter and turning off the gas.
8. evacuation of nearby residences. - ANSlocating the meter and turning off the gas. A typical natural gas service includes, in addition to the shut-off valve, a gas meter and a:
9. remotely monitored valve position sensor.
10. remotely monitored fire sensor.
11. pressure-reducing valve.
12. key mount. - ANSpressure-reducing valve. A vehicle on fire can usually be prevented from moving by:
13. chocking the tire.
14. deflating a tire.

3. placing the car in neutral.
4. holding the door. - ANSchocking the tire. All personnel and equipment exposed to hazardous materials are considered:
5. contaminated.
6. a chronic hazard.
7. auto-exposed.
8. toxic. - ANScontaminated. Chemicals that are classified as __________ can cause a severe allergic reaction.
9. asphyxiants
10. sensitizers
11. irritants
12. convulsants - ANSsensitizers Complete and accurate records should be maintained for:
13. all responses.
14. only emergency responses.
15. only responses that may be criminally related.
16. areas of the district that generate high call volume. - ANSall responses. Computer-aided dispatch can is the:
17. automated system that assists the telecommunicator in assessing dispatch information to recommend responses.

2. organized collection of similar facts.
3. system used by chief officers in the fire service.
4. warning device primarily used by fire department personnel. - ANSautomated system that assists the telecommunicator in assessing dispatch information to recommend responses. Depth of char is:
5. related to the intensity of the fire.
6. a reliable indicator of the fire's point of origin.
7. linked to the use of an accelerant.
8. conclusive evidence of arson. - ANSrelated to the intensity of the fire. Fire hydrants should not be spaced more than __________ feet apart in high- value districts.
9. 300
10. 400
11. 500
12. 600 - ANS Forcible entry is:
13. forcing less confident firefighters into the structure.
14. the ability to gain access to unsecured buildings.
15. the ability to gain entry to secured areas and buildings at fires and other operations.

4. forcing openings in a structure to facilitate effective ventilation. - ANSthe ability to gain entry to secured areas and buildings at fires and other operations. In an emergency, responders can acquire an Material Safety Data Sheet from:
5. manufacturer of the material.
6. the label of the container.
7. Occupational Safety and Health Administration (OSHA).
8. the local health department. - ANSmanufacturer of the material. In hazardous materials, one of the three time frames used for predicting the length of time that exposures may be in contact with a hazardous material in an endangered area is long term. Long term means:
9. minutes and hours.
10. days, weeks, and years.
11. a century or more.
12. years and generations. - ANSyears and generations. Natural gas utilities can usually be shut off on the street side of the gas meter by turning the gas valve __________ turn into the off position.
13. one full
14. one half
15. one quarter
16. several - ANSone quarter

Responders can contact the shipper directly from the emergency contact information on the:

1. Material Safety Data Sheet.
2. Pre-Incident Plan.
3. shipping papers.
4. Chemical Abstract Service. - ANSshipping papers. Tankers/tenders are primarily used to transport water to the scene and have a capacity of:
5. 500 gallons.
6. 750 gallons.
7. 300 gallons.
8. 1,000 gallons or more. - ANS1,000 gallons or more. The amount of pressure in a hose or water main while no water is flowing is a definition for:
9. friction loss.
10. residual pressure.
11. static pressure.
12. elevation pressure. - ANSstatic pressure. The buddy system in search and rescue means:
13. all floors must be searched simultaneously.
14. it is done by teams of firefighters.

3. one firefighter should accomplish the task.
4. it is not recommended in large structures. - ANSit is done by teams of firefighters. The bypass valve on a self-contained breathing apparatus is used:
5. during hazardous materials incidents.
6. in emergency situations involving a malfunctioning regulator.
7. to clear the mask of unwanted condensation.
8. to cool the facepiece when high heat is encountered. - ANSin emergency situations involving a malfunctioning regulator. The first step during the overhaul of a vehicle fire is to:
9. select the necessary tools.
10. remove the battery.
11. chock the vehicle's wheels.
12. open the doors. - ANSchock the vehicle's wheels. The location where emergency 9-1-1 calls are routed is the:
13. Public Safety Answering Point.
14. Communication Action Center.
15. Emergency Collection Point.
16. Automatic Location Identification. - ANSPublic Safety Answering Point. The pipes that make up the distribution grid in a water system are:

Selected Answer:

1. filler pipes.
2. primary feeders.
3. re-circulators.
4. secondary feeders. - ANSprimary feeders. The pressure remaining in a hose or water main while water is flowing is:
5. friction loss.
6. residual pressure.
7. static pressure.
8. elevation pressure. - ANSresidual pressure. The primary purpose of a public fire service communication system is to:
9. accept reports of emergencies and dispatch emergency.
10. accept reports of emergencies and generate supportive data.
11. dispatch and communicate with emergency units.
12. communicate with emergency units and generate supportive data. - ANSaccept reports of emergencies and dispatch emergency. The procedure for doffing personal protective clothing is:
13. optional.
14. mandated by the National Fire Protection Association.
15. simply a reversal of the donning procedure.

4. required for fire department readiness certification. - ANSsimply a reversal of the donning procedure. The process of maintaining continuous possession and control of evidence from the time of discovery until it is presented in court is:
5. chain of custody.
6. chain of investigation.
7. the investigative process.
8. the scientific method. - ANSchain of custody. The universal air connection is:
9. used to refill a cylinder of a firefighter running out of air.
10. the term used for a short section of hose used to share air between users' masks.
11. used to refill cylinders.
12. the female quick fill inlet found on the back of the self-contained breathing apparatus by the cylinder valve. - ANSused to refill a cylinder of a firefighter running out of air. To contact the shipper for hazard and response information, a firefighter can obtain information number from:
13. Computer-Aided Management of Emergency Operations.
14. the Chemical Abstracts Service registry number.
15. the Emergency Response Guide.
16. the shipping papers. - ANSthe shipping papers.

Use lockout/tagout devices to:

1. ensure utility equipment is not turned on.
2. document the date and time firefighters were on scene.
3. pull and store the main meter.
4. indicate the flow of gas. - ANSensure utility equipment is not turned on Vehicles supplied by alternative fuels may display:
5. a large WARNING sticker on both sides of the vehicle.
6. a small placard on the rear bumper or trunk lid.
7. no markings as they are not required.
8. a sticker on the front windshield. - ANSa small placard on the rear bumper or trunk lid. Vehicles supplied by compressed natural gas store the cylinder:
9. usually in the trunk.
10. directly behind and below the back seat.
11. where the gas tank is normally located.
12. in the engine compartment. - ANSusually in the trunk. What limitations of self-contained breathing apparatus (SCBA) use can be attributed to the psychological boundaries of the user?
13. Breathing through an SCBA is different from normal breathing and causes stress.

2. Size of the unit makes it more difficult for the user to fit into small spaces.
3. The realistic useful life of an SCBA cylinder for firefighting operations is usually much less than the rated duration.
4. The extra weight of personal protective equipment and SCBA requires additional energy, which in turn increases air consumption and body temperature.

• ANSBreathing through an SCBA is different from normal breathing and causes stress. When describing a product as a solid, liquid, or a gas, we are referring to its:

1. vapor density.
2. physical state.
3. flash point.
4. ignition temperature. - ANSphysical state. When executing a blanket drag, you should:
5. pull victim forward, place the blanket around victim, and lower the victim until flat.
6. lift victim onto the blanket and drag feet first.
7. roll victim on side, position blanket underneath, and roll victim back to original position.
8. carefully work blanket under victim without moving the victim. - ANSroll victim on side, position blanket underneath, and roll victim back to original position. When faced with down power lines, you should:
9. obtain a pair of lineman gloves.
10. wait until the power company arrives.

3. use a dry rope to pull victim from contact with an energized conductor.
4. wear rubber boots when approaching the emergency scene. - ANSwait until the power company arrives. When filling a self-contained breathing apparatus cylinder, the cylinder must be:
5. placed in a fragmentation containment or other shielded device.
6. placed in water.
7. filled in the open to allow for checking of signs of weakness in the cylinder.
8. wrapped in a blanket or towel. - ANSplaced in a fragmentation containment or other shielded device. When is a secondary search performed? Selected Answer:
9. After the fire is under control.
10. Immediately upon completion of the primary search.
11. Only when the primary search discovered no victims.
12. Only when the primary search discovered victims. - ANSAfter the fire is under control. When making a large opening in a masonry wall, a __________ shape should be used to help maintain structural integrity.
13. square
14. circle
15. triangular/inverted V
16. rectangular - ANStriangular/inverted V

When using the webbing drag, the victim's head is supported by:

1. webbing under the head.
2. the victim's arms.
3. the victim's hands.
4. a roll of blanket. - ANSwebbing under the head. Which can produce an inverted cone pattern on a wall?
5. The point of origin of the fire being investigated.
6. An easily ignited and intensely burning fuel source.
7. A flammable liquid poured along the base of a wall.
8. An object that fell from a higher level and burned on the floor. - ANSA flammable liquid poured along the base of a wall. Which federal agency has teams of agents that can assist local fire agencies in investigating a major fire if needed?
9. Federal Fire Investigations Agency
10. Alcohol, Tobacco, Firearms and Explosives
11. U.S. Fire Administration
12. Department of Homeland Security - ANSAlcohol, Tobacco, Firearms and Explosives Which is a symptom of an irritant exposure?
13. Diarrhea

2. Burning sensation to eyes
3. Convulsions
4. Fluid in lungs - ANSBurning sensation to eyes Which is an acceptable action when overhauling after a vehicle fire?
5. Use a cutting tool to remove the hood and trunk.
6. If the firefighter suspects the fire was incendiary, call for an investigator.
7. Remove the tires from the vehicle.
8. Coat the entire vehicle in foam and reapply foam every 15 minutes. - ANSIf the firefighter suspects the fire was incendiary, call for an investigator. Which is one of the major lock categories?
9. Mortise locks
10. Oval
11. Rabbeted locks
12. Tumbled locks - ANSMortise locks Which statement is true regarding victim removal?
13. Use the safest and most practical means.
14. To expedite the process, all victims should be moved through the hazard zone.
15. Emergency moves are necessary when the victim is ambulatory.
16. CPR should be started immediately regardless of where the victim is found. - ANSUse the safest and most practical means.

Which statement regarding fire cause determination is correct?

1. Proper overhaul skills will rearrange fire scene evidence.
2. A firefighter is an important link in the chain of fire cause determination.
3. The majority of fires are arson in nature.
4. Lightning as a fire cause is extremely hard to determine. - ANSA firefighter is an important link in the chain of fire cause determination. With a pry bar/rambar, the bar acts as a __________ to multiply the amount of force against the object being forced.
5. spacer
6. gear
7. spring
8. lever - ANSlever