CMCB Firefighter II (pt.4)

346. The reserve energy supply can maintain sufficient voltage to deploy an air bag for up to ______minutes after the battery has been disconnected. A. 15 B. 20 C. 30 D. 60

D. 60

346. To maintain safety while lifting a vehicle using air bags, the rescuers should: A. plan the lifting operation before starting. B. place air bags on the ground with cribbing on top of the air bags. C. lift in short burst increments. D. lift one side of the vehicle and then the other side.

A. plan the lifting operation before starting.

338. The basic types of lifting bags are: A. high, medium, and low pressure. C. large, medium, and small bags. B. lift, squeeze, and patch bags. D. air, oxygen, and hydraulic pressure.

A. high, medium, and low pressure.

346. The basic types of powered hydraulic tools used in rescue incidents; spreaders, shears, combination spreader/shears, and: A. extension rams. C. chisels. B. air bags. D. whizzer.

A. extension rams.

346. When referring to the standard doorpost of a vehicle, the A post is the: A. front post by windshield. B. middle post between front and back seats. C. middle post below the window level. D. rear post by back window.

A. front post by windshield.

84. Which is a method to identify a vehicle supplied by compressed natural gas? A. A placard on the front/rear bumper B. All states require a sticker on the front windshield. C. The cylinder is visible in the back seat. D. The firefighter will be able to smell the gas as they approach the vehicle.

A. A placard on the front/rear bumper

346. When performing a dashboard displacement, where should a relief cut or notch be made? A. At the bottom of the A-post where it meets the sill or floor of the vehicle B. Where the A-post meets the top of the dashboard C. Where the A-post meets the roof D. Where the B-post meets the sill or floor

A. At the bottom of the A-post where it meets the sill or floor of the vehicle

346. Which statement regarding lifting air bags is correct? A. Bags must be on or against a solid base. B. Lift in short blast increments C. The bags need to be protected by placing plywood under and on top of the bags. D. When stacking two bags of different sizes the larger bag goes on top.

A. Bags must be on or against a solid base.

338. Which is a lifting/pulling tool? A. Come-a-long B. Combination tool C. Cribbing D. Impact wrench

A. Come-a-long

84. Which is one of the normal observations that firefighters make to assist in determining fire cause? A. How the fire reacted to water application B. People leaving the fire scene in a hurry C. Hindrances to firefighting D. The number and location of observers

A. How the fire reacted to water application

84. Which U.S. Supreme Court case held that "once in a building to extinguish a fire, firefighters may seize, without a warrant, evidence of arson that is in plain view"? A. Michigan vs. Tyler C. Louisiana vs. Jones B. Michigan vs. Baker D. Florida vs. Campbell

A. Michigan vs. Tyler

346. ____glass is hardened glass designed to shatter into small pieces. A. Tempered B. Plastic-coated C. Laminated D. Shock-resistant

A. Tempered

84. Which would be a type or form of evidence that could be found at a fire scene? A. Trailers B. Properly stored containers of ignitable liquids C. Overhaul damage D. Water damage

A. Trailers

84. If a propane cylinder is exposed to fire, the pressure relief valve: A. could operate several times before the cylinder fails. B. could melt shut and the cylinder will explode. C. will close to prevent rupture of the cylinder. D. will operate to ensure the cylinder will not rupture.

A. could operate several times before the cylinder fails.

84. Depth of char is: A. related to the intensity of the fire at a particular location. B. a reliable indicator of the fire's point of origin. C. always linked to the use of an accelerant in starting the fire. D. conclusive evidence of arson.

A. related to the intensity of the fire at a particular location.

346. One of the final steps in stabilizing a vehicle is to: A. shut down the electrical power within the vehicle. B. tie down the vehicle to a stable surface. C. inflate the air bags. D. puncture the tires to settle the vehicle on the cribbing.

A. shut down the electrical power within the vehicle.

346. Any vehicles in which a person is entrapped must be_____ to prevent shifting and inflicting more damage or injuries. A. stabilized B. hosed down C. extricated D. left untouched

A. stabilized

84. Fire officials investigating a building fire may prevent owners and occupants from reentering until: A. they can be accompanied by fire department personnel. B. they are cleared as suspects. C. they cleared by certified fire investigators. D. an insurance representative arrives.

A. they can be accompanied by fire department personnel.

346. The primary hazard for firefighters during a vehicle extrication is: A. traffic. C. electrical. B. fire. D. bloodborne pathogens.

A. traffic.

346. The two main stabilization concerns are to prevent the vehicle from moving horizontally and: A. vertically. B. forward. C. backward. D. to the side.

A. vertically.

84. Which statement regarding fire cause determination is correct? A. Proper overhaul skills will rearrange fire scene evidence. B. A firefighter is an important link in the chain of fire cause determination. C. The majority of fires are arson in nature. D. Lightning as a fire cause is extremely hard to determine.

B. A firefighter is an important link in the chain of fire cause determination.

84. Which is one of the normal observations that firefighters make to assist in determining fire cause? A. Windows being closed on a cold day B. Evidence of prior entry into the burning structure C. Serious observers who are intent on watching the drama unfold D. The number and location of observers

B. Evidence of prior entry into the burning structure

346. What difference does a hybrid vehicle have compared to a conventional gasoline-powered vehicle? A. Compressed natural gas (CNG) C. Hydraulic B. High voltage D. Diesel

B. High voltage

84. What should you do if you encounter an incendiary device that has not ignited during overhaul? A. Immediately apply a low volume fire stream to prevent its ignition, yet preserve it as evidence. B. Notify the company officer and others in the area immediately. C. Move it as quickly as possible to the outside of the structure. D. Attempt to disable it.

B. Notify the company officer and others in the area immediately.

346. What is one of the two common types of vehicle frames? A. Bibody construction C. Split frame B. Platform frame D. Solid-welded construction

B. Platform frame

346. jacks can be dangerous because they are the least stable. A. Hydraulic B. Ratchet-lever C. Air D. Bar screw

B. Ratchet-lever

338. What is one of the basic types of powered hydraulic tools used in rescue incidents? A. Come-along C. Air impact wrench B. Shears/cutters D. Struts

B. Shears/cutters

84. Read the following statements regarding fire department actions to preserve evidence during overhaul and select the correct answer from choices A through D. Statement 1 If possible, the investigator should look at the fire area before overhauling begins. Statement 2 Evidence located during overhaul should be left where found, untouched and undisturbed until the investigator examines it. Statement 3 It is the responsibility of the firefighter to make sure evidence to be removed from the scene should be properly identified, documented, photographed, packaged, and placed in a secure location. A. Statement 1 is true; statements 2 and 3 are false. B. Statements 1 and 2 are true; statement 3 is false. C. Statement 1 is false; statements 2 and 3 are true. D. All three statements are true.

B. Statements 1 and 2 are true; statement 3 is false.

Statement 1 Unibody construction combines the vehicle body and frame into a single component. Statement 2 Unibody construction is used for most modern cars. Statement 3 Unibody construction can be treated in the same manner as platform frame construction. A. Statement 1 is true; statements 2 and 3 are false. B. Statements 1 and 2 are true; statement 3 is false. C. Statements 1 and 2 are false; statement 3 is true. D. All three statements are true.

B. Statements 1 and 2 are true; statement 3 is false.

84. Clues that help determine where a fire started include: A. clean metal supports. C. frosted light bulbs. B. a V pattern. D. area of heaviest water damage.

B. a V pattern.

346. To chock the wheels of a vehicle involved in an accident, the firefighter should: A. chock the wheels on the uphill side. B. chock the wheels in both directions. C. use stabilizing jacks and airbags to ensure the vehicle will not move. D. use hydraulic chocks that will automatically adjust to any potential vehicle movement.

B. chock the wheels in both directions.

346. One acceptable method of removing a steering wheel with a deployed airbag is to: A. use a come-along to bend the steering wheel downward. B. cut the spokes as close to the hub as possible. C. deploy the air bag and then disassemble the steering wheel. D. insert the power tool in the center and pry it out and open.

B. cut the spokes as close to the hub as possible.

346. To gain access to a vehicle's interior, the order of attempt should be through the: A. doors, roof, windows. C. windows, trunk, floor. B. doors, windows, body. D. roof, doors, trunk.

B. doors, windows, body.

346. If possible, entry to a vehicle for rescue purposes should be made through the: A. windshield. B. doors. C. roof. D. trunk/hatch.

B. doors.

If the airbag is not deployed during the crash: A. it will not activate later. B. it presents a hazard for both the vehicle occupant and rescue personnel. C. place a backboard between the occupant and the steering wheel. D. move the patient to the passenger side for safety.

B. it presents a hazard for both the vehicle occupant and rescue personnel.

84. A DOT MC-331 tanker that is cylindrically shaped and painted white is probably carrying: A. compressed natural gas. C. gasoline. B. liquefied petroleum gas. D. jet fuel.

B. liquefied petroleum gas.

346. When using a spring-loaded center punch to open a window, the firefighter should press the center punch at the: A. center of the window. C. upper corner of the window. B. lower corner of the window. D. at the top of the window.

B. lower corner of the window.

346. When referring to the standard doorpost of a vehicle, the B post is the: A. front post by windshield. B. middle post between front and back seats. C. middle post below the window level. D. rear post by back window.

B. middle post between front and back seats.

346. The term used to dress and bandage, splint fractures, and immobilize the patient's body to reduce possibility of further injury is called: A. advanced life support care. C. full body immobilization. B. packaging. D. all clear.

B. packaging.

346. The next step in the extrication process, after stabilization, should be: A. termination and post-incident analysis. B. patient packaging and patient removal. C. transporting patient(s) to appropriate facilities. D. initiating extrication operations on another vehicle.

B. patient packaging and patient removal.

84. Prior to the fire investigator's arrival, firefighters should______ any evidence found. A. tag and photograph C. collect and package B. protect and preserve D. isolate and remove

B. protect and preserve

346. The key to an efficient extrication operation is proper: A. dispatch. B. size-up. C. triage. D. assignment.

B. size-up.

346. A passenger vehicle has several types of glass, including: A. plate and laminated. C. Lexan® and safety. B. tempered and laminated. D. shock-resistant.

B. tempered and laminated.

84. Firefighters should always remember how they gained entry into a building because: A. entry may have an effect on the behavior of the fire. B. the fire investigator may want to know. C. you may need to use the opening in case of a rekindle. D. you should always exit the same way you entered.

B. the fire investigator may want to know.

84. When cylinders are involved in fire, the best course of action is to: A. use two 1-3/4 inch handlines to approach and turn off the valve. B. use large amounts of water applied from a safe distance. C. use unmanned master streams to protect exposures while using solid streams to approach the cylinder and shut down valve. D. evacuate the area as the cylinder will immediately explode.

B. use large amounts of water applied from a safe distance.

84. Which can produce an inverted V pattern? A. The point of origin of the fire being investigated. B. An easily ignited and intensely burning fuel source at the middle of the base of the pattern. C. A flammable liquid poured along the base of a wall to set an intentional fire. D. An object that fell from a higher level and burned on the floor.

C. A flammable liquid poured along the base of a wall to set an intentional fire.

346. If step chocks are not available or not the correct size, how can vertical movement stabilization be achieved on an accident vehicle that ended up on its wheels? A. One rescue lift airbag located on each side of the vehicle B. Cribbing in front and back of wheels C. Box cribs of proper height constructed on each side toward the front and rear of the vehicle D. Two sets of wedges placed one upon the other

C. Box cribs of proper height constructed on each side toward the front and rear of the vehicle

346. Once the dashboard has been displaced enough to free the victim, what prevents it from settling back into place? A. The relief cut or notch B. The hydraulic shear used for displacement C. Cribbing inserted between the dashboard and the sill D. The high lift mechanical jack used for displacement

C. Cribbing inserted between the dashboard and the sill

338. What is designed primarily for straight pushing operations? A. Spreaders B. Shears C. Extension rams D. Struts

C. Extension rams

346. Which is a limitation of a manual hydraulic tool? A. Relatively inexpensive C. Operate slowly B. Lightweight D. Can be used in confined spaces

C. Operate slowly

346. Which defines vehicle stabilization? A. A means of stopping lateral movement B. Providing block and tackle attachment C. Process of providing additional support to key places between the vehicle and the ground D. A means of stopping horizontal movement

C. Process of providing additional support to key places between the vehicle and the ground

346. Which hand tool is typically used to distort metal parts? A. Reciprocating saw C. Pry axe B. Air chisel D. Flat head axe

C. Pry axe

Statement 1 The steering wheels of most recently manufactured automobiles contain the driver's side airbag. Statement 2 If not deployed during the crash, an airbag presents a hazard for both the vehicle occupant and rescue personnel. Statement 3 Place a backboard between the occupant and the steering wheel. A. Statement 1 is true; statements 2 and 3 are false. B. Statements 1 and 2 are false; statement 3 is true. C. Statements 1 and 2 are true; statement 3 is false. D. All three statements are true.

C. Statements 1 and 2 are true; statement 3 is false.

346. Which vehicle frame has a weakness that does not provide a structurally sound place for or an anchor point? A. Platform B. Split body C. Unibody D. Welded frame

C. Unibody

84. Fire impinging on a cylinder containing liquefied flammable gases can result in: A. the cylinder melting under pressure. B. the pressure relief valve closing to prevent overpressure of the cylinder. C. a boiling liquid expanding vapor explosion (BLEVE). D. a slow deterioration of the cylinder.

C. a boiling liquid expanding vapor explosion (BLEVE).

84. A V pattern is best described as: A. an observation cut in the roof of a building. B. the shape a stream takes when leaving a straight tip nozzle. C. a design that smoke and fire makes on the interior and exterior walls of a fire building. D. a cut used in forcible entry to open a rolling door.

C. a design that smoke and fire makes on the interior and exterior walls of a fire building.

338. Hydraulic jacks: A. have a lifting capacity in excess of 40 tons. B. must be positioned on a hard surface. C. are used for heavy lifting applications. D. lack compression for shoring but work well for stabilizing.

C. are used for heavy lifting applications.

346. If rescuers are able to get into a vehicle, their first action should be to: A. begin extraction. C. assess/protect the victim(s). B. place a backboard. D. remove broken glass.

C. assess/protect the victim(s).

345. When using air bags in a rescue situation: A. lift an inch, crib a foot. B. bags should never be stacked more than three high. C. bags should not contact materials hotter than 220o F (104o C). D. bags should be inflated quickly to keep the load from shifting.

C. bags should not contact materials hotter than 220o F (104o C).

346. To maintain safety while lifting a vehicle using air bags, the rescuers should: A. never stack high-pressure lift air bags more than three high. B. refrain from stabilizing with cribbing. C. be thoroughly familiar with the equipment. D. place plywood only between or above lift air bags.

C. be thoroughly familiar with the equipment.

346. When cribbing is used for vehicle stabilization, a______ formation is most often used to support and stabilize vehicles. A. wedging B. pyramid C. box D. straight stack

C. box

346. The most common method of preventing horizontal movement is to: A. apply the emergency brake. C. chock/crib the vehicle's wheels. B. place the shift selector in park. D. deflate the vehicle's tires.

C. chock/crib the vehicle's wheels.

84. When investigating a fire, there are three types of evidence, including: A. audible evidence. C. circumstantial evidence. B. graphic evidence. D. defective evidence.

C. circumstantial evidence.

346. Vehicles on their wheels are best stabilized by using: A. step blocks. B. high pressure air bags. C. cribbing or chocks in front and back of the wheels. D. wedges.

C. cribbing or chocks in front and back of the wheels.

346. Another term for a dashboard displacement is a(n): A. decompress. B. come along. C. dash roll-up. D. anchor pull.

C. dash roll-up.

346. When cutting laminate windshields, the firefighter should first cut: A. across the bottom of the windshield. C. down each side. B. across the top of the windshield. D. a starter hole in the bottom right corner.

C. down each side.

84. A DOT MC-306 tanker that is aluminum and placarded with the number 1203 is a vehicle that is carrying: A. compressed natural gas. C. gasoline. B. liquefied petroleum gas. D. jet fuel.

C. gasoline.

84. The tanker that is about 40 feet in length, aluminum, cylindrically shaped MC-306 that can carry approximately 9,000 gallons is probably carrying: A. compressed natural gas. C. gasoline. B. liquefied petroleum gas. D. jet fuel.

C. gasoline.

84. A DOT MC-331 tanker painted white and placarded with the number 1075 indicates that the vehicle is carrying: A. compressed natural gas. C. liquefied petroleum gas. B. gasoline. D. jet fuel.

C. liquefied petroleum gas.

346. The primary goal of stabilization is to prevent further movement of the vehicle by: A. minimizing the area of contact between the vehicle and the ground. B. removing all victims as quickly as possible. C. maximizing the area of contact between the vehicle and the ground. D. pulling valve stems from tires.

C. maximizing the area of contact between the vehicle and the ground.

337. Clues that help determine where a fire started include the area: A. of heaviest water damage. C. of heaviest fire damage. B. of heaviest soot deposits. D. containing the most crazed glass.

C. of heaviest fire damage.

338. For rescue situations, the air chisel: A. can be powered by oxygen. B. can be powered by hydraulics. C. operates at 90 psi and above. D. oils found on the tools will result in fire or violent explosions.

C. operates at 90 psi and above.

84. A fire occurred at 2:00 am and the fire investigator is not available until 9:00 am. The simplest way to maintain legal control of the fire scene is to: A. turn the home back over to the owners and get a search warrant to return in the morning. B. place fire barrier tape around the home and return with the fire investigator at 9:00. C. secure the scene and leave a minimum of one firefighter on scene until the investigator arrives. D. secure the scene with barrier tape and have the police department make hourly visits.

C. secure the scene and leave a minimum of one firefighter on scene until the investigator arrives.

346. When performing disentanglement procedures, the firefighter should: A. gain access through the front windshield. B. remove the patient before beginning patient care. C. wear personal protective equipment (PPE) appropriate for the hazards. D. remove the patient from the vehicle, not the vehicle from the patient.

C. wear personal protective equipment (PPE) appropriate for the hazards.

84. Which is true regarding flammable liquid gas cylinders? A. Cylinders will cause boiling liquid expanding vapor explosion (BLEVE) if exposed to extreme temperatures, above 2,000 degrees. B. Once activated, the pressure relief valve will eliminate the possibility of a BLEVE. C. Only cylinders over 50 pounds are subject to a BLEVE. D. All stored liquid cylinders are susceptible to a BLEVE.

D. All stored liquid cylinders are susceptible to a BLEVE.

Statement 1 Firefighters have a responsibility to preserve evidence that could indicate the origin or cause of fire. Statement 2 Evidence discovered should be left in place and protected, and a company officer or the fire investigator should be notified immediately. Statement 3 Evidence is most often found during salvage and overhaul. A. Statement 1 is true, statements 2 and 3 are false. B. Statements 1 and 2 are true, statement 3 is false. C. Statement 1 is false; statements 2 and 3 are true. D. All three statements are true.

D. All three statements are true.

Statement 1 Platform frame construction is found primarily in the load-bearing frame of a vehicle. Statement 2 Platform frame constructions are found primarily in trucks and sport utility vehicles. Statement 3 A strength of a platform frame construction is that it provides a structurally sound place for stabilizing the vehicle. A. Statement 1 is true; statements 2 and 3 are false. B. Statements 1 and 2 are false; statement 3 is true. C. Statements 1 and 2 are true; statement 3 is false. D. All three statements are true.

D. All three statements are true.

Statement 1 There are two common types of vehicle frames, platform frame and unibody construction. Statement 2 Unibody construction is used for most modern cars. Statement 3 A weakness of unibody construction is that it does not provide a structurally sound place for stabilizing the vehicle. A. Statement 1 is true; statements 2 and 3 are false. B. Statements 1 and 2 are true; statement 3 is false. C. Statement 1 is false; statements 2 and 3 are true. D. All three statements are true.

D. All three statements are true.

84. Which is an appropriate action regarding an liquid propane gas tanker fire? A. The fire streams should be directed to extinguish the flames coming from the venting pressure relief valve. B. Fire streams should be directed towards the vulnerable ends of the tanker truck to prevent them from a boiling liquid expanding vapor explosion (BLEVE). C. Crews should approach at 30 degree angles under wide fog to shut off the pressure relief valve. D. Care must be taken not to extinguish flames coming from a venting pressure relief valve.

D. Care must be taken not to extinguish flames coming from a venting pressure relief valve.

346. Which tools are essential for stabilizing a vehicle? A. Hydraulic jack C. High-pressure air bags B. Block and tackle D. Cribbing

D. Cribbing

84. Which statement regarding preservation of evidence is correct? A. Firefighters at the scene are in the position to decide whether the evidence they find is worthy of preservation. B. If evidence could be damaged or destroyed during fire suppression activities, remove it immediately. C. Too much evidence can become a confusion factor. D. Evidence is often found during the salvage and overhaul phases of a fire.

D. Evidence is often found during the salvage and overhaul phases of a fire.

84. Which statement regarding evidence preservation during overhaul is true? A. Most evidence is discovered before salvage and overhaul begins. B. Fire suppression personnel and investigators must operate independently to ensure the fire is completely out and properly overhauled while searching for evidence. C. Evidence is rarely destroyed during overhaul. D. If possible, the investigator should take a good look at an area before overhaul begins.

D. If possible, the investigator should take a good look at an area before overhaul begins.

346. Which is an acceptable means to gain access to victims in a vehicle? A. Breaking through the windshield using a spring-loaded center punch B. Breaking side windows by hitting an upper corner with an axe C. Rolling the dash D. Opening a normally operating door

D. Opening a normally operating door

346. Which is a basic type of powered hydraulic tool used in rescue incidents? A. Strut B. Hux bar C. Extension adze D. Spreader

D. Spreader

346. The suspension system of a vehicle is best stabilized by: A. Cribbing in front and back of the wheels. B. One rescue lift airbag located at each side of the vehicle. C. Wedges inserted into the coil springs. D. Step chocks placed toward the front and rear of the vehicle.

D. Step chocks placed toward the front and rear of the vehicle.

346. Where should rescuers begin their cuts on a windshield? A. Bottom, center C. Middle, driver side B. Middle, passenger side D. Top, center

D. Top, center

338. Which statement regarding rescue lift air bags is true? A. Do not stack high pressure air bags more than three high. B. Rescue-lift air bags can be used to pull steering columns. C. When stacking two air bags of different sizes, the larger bag goes on top. D. When using lift air bags, you must crib as you lift.

D. When using lift air bags, you must crib as you lift.

346. When placing an air bag on a box crib, the layer of cribbing in contact with the bag should be: A. half the normal size of the box crib. C. cribbing spaced at even distances apart. B. perpendicular to the bag. D. a solid layer of cribbing.

D. a solid layer of cribbing.

346. When extricating a patient from a motor vehicle crash, disassemble refers to: A. displacement of major parts. B. cutting off of components. C. bending of sheet metal or components. D. actual taking apart of the vehicle components.

D. actual taking apart of the vehicle components.

84. If a vehicle supplied by compressed natural gas (CNG) is involved in fire, firefighters should: A. put the fire out immediately. B. deploy handlines to cool the engine. C. deploy unmanned master streams. D. allow fuel to burn off.

D. allow fuel to burn off.

84. To create a safe haven when a liquid propane gas truck is involved in fire, firefighters should: A. advance two 1-3/4" handlines from both ends of the tank. B. let the fire burn itself out. C. off-load the tank while cooling the tank from a safe distance. D. evacuate all individuals for one mile in every direction.

D. evacuate all individuals for one mile in every direction.

84. The first link in the chain of custody of physical evidence of a fire is frequently the: A. fire investigator. B. incident commander. C. company officer. D. firefighter who discovered the evidence.

D. firefighter who discovered the evidence.

84. Initial recognition and preservation of evidence is the responsibility of the: A. fire marshal. B. fire inspector. C. fire investigator. D. firefighter.

D. firefighter.

84. Following a fire of suspicious origin, the firefighter should: A. carefully wash all burned articles with water to clean them off. B. remove any possible evidence to the outdoors where it can be properly tagged, identified, and photographed. C. have the building owner walk through the building to pick up valuables. D. leave suspected evidence where it is found.

D. leave suspected evidence where it is found.

84. When removing evidence from the scene, the evidence should be: A. picked up bare-handed to ensure proper grip in order not to drop the item. B. placed in oversized containers to allow the item to off gas safely. C. brought outside the building, soaked in buckets of water and then sealed in the buckets to ensure the evidence is fully extinguished. D. properly sealed, labeled and preserved.

D. properly sealed, labeled and preserved.

346. When referring to the standard four-door car, the C post is the: A. front post by windshield. B. middle post between front and back seats. C. middle post below the window level. D. rear post by back window.

D. rear post by back window.

346. While operating at a motor vehicle accident with no fire involvement, firefighters should wear ______in addition to their turnout gear. A. hearing protection C. safety goggles B. rubber gloves D. reflective vest

D. reflective vest

346. The phase of vehicle extrication that determines the nature and extent of the overall situation is: A. preparation. B. disentanglement. C. hazard control. D. size-up.

D. size-up.

346. Platform frame construction is found primarily in: A. the reinforcement of the roof. C. small compact cars. B. hybrid vehicles. D. the load-bearing frame of a vehicle.

D. the load-bearing frame of a vehicle.