Driver Test Exam Prep Flashcards
When should the apparatus wheels be chocked when it is being inspected?
Whenever apparatus is parked
According to NFPA 1911 how often must tires be replaced?
Every seven years
What is the purpose of diesel particulate filters (DPF)?
Provide for cleaner emissions from diesel engines
Driver/operators must adhere to driving statutes, rules, regulations, or ordinances that govern other vehicle drivers
Unless specifically exempt
When loading hose while driving an apparatus, the safety observer
Must be someone other than the driver/operator or firefighters loading the hose
Which action should be taken when in a locked wheel skid?
Ease off brake to unlock drive wheels
When would it be MOST appropriate for the first-arriving apparatus to pull past the front of the building when responding?
At an incident where no fire is present
The inside/outside method of apparatus placement in which attack pumpers are positioned on the side of the street closest to the building and aerial apparatus are placed outboard of pumpers is used when
The building is less than five floors tall
Which area would be given preference as a drafting location?
A location accessible from a hard surface
What is the MOST accurate statement about intake hose and preventing kinks?
Twists help prevent formation of kinks and do not restrict water flow
Tandem pumping operations involve a form of relay pumping with pumpers positioned
Close together rather than evenly spaced in the supply hose layout
What is the MOST accurate statement about positioned wildland fire apparatus?
Apparatus are seldom positioned in the same location for the duration of an incident
If a department were using Level 1 staging protocol, where would later-arriving engine companies MOST likely stage?
Near a hydrant or water source
Which is a guideline when responding to hazardous materials incidents?
Approach from upwind and uphill
What is the BEST statement that describes the fourth principle of pressure?
The pressure of a liquid in an open vessel is proportional to its depth.
Employing proper hose handling techniques can usually minimize friction loss caused by
Sharp bends in the hose
Special purpose nozzles that are often lowered through hose or other openings to the cellar of an occupancy are called
Cellar nozzles
Special purpose nozzles that are commonly used in aircraft firefighting, car fires, or to apply water to voids, attics, or other areas inaccessible to standard fire streams are called
Piercing nozzles
Special purpose nozzles that consist of a solid piece of brass or steel with many small impinging holes that produce a very fine mist are called
Chimney nozzles
What is the BEST statement that describes nozzle reaction?
The force pushing back on firefighters as water is discharged from a nozzle at a given pressure
When an incident may require the use of multiple hoselines of the same or different diameter that are of unequal length, friction loss must be calculated for
Each hoseline supplied by separate discharges to individual nozzles
When using a flowmeter for relay pumping, ensure that the incoming pressure does not drop below
20psi
Modern fire department pumpers are equipped with a
Centrifugal pump as their main pump
Which of the following statements about positive displacement pumps is MOST accurate?
They are used as priming devices to get water into the centrifugal pump during drafting operations
Which pumps are powered by a gasoline or diesel engine independent of the vehicle-drive engine?
Auxiliary engine driven pumps
Which pumps are supplied power through the use of a split shaft gear case located in the drive lane between the transmission and the rear axle?
Midship pumps
Which types of automatic pressure control devices are sensitive to pressure change and have the ability to relieve excessive pressure within the pump charge?
Relief valves
Which of the following can be opened in order to prevent the pump from overheating?
Circulator or bypass valve
When transitioning to an external water supply, opening the intake’s gate valve on a charged supply line without first opening the bleeder valve will result in:
Air in the supply hose entering the pump
How much water should be above a traditional strainer in order for a pumper to approach its rated capacity during drafting operations?
At least 24 inches (600 mm)
Who should be notified immediately upon indication that the water supply or pumping ability may be unattainable or interrupted?
Incident Commander
The pumper that should have the largest capacity in a relay operation is the:
Water supply pumper
The pumper that receives water from the source pumper or another relay pumper, raises the pressure, and supplies water to the next apparatus is called the;
Relay pumper
The pumper that can be of smaller capacity due to its ability to use acquired energy of previous pumpers in the relay is the:
Relay pumper
The need for a operation is based on which two factors?
Amount of water required and distance between the scene and water source
When relaying long distances, if pumpers carrying different diameters of supply hose are to be used in the operation, distances:
Must be adjusted to compensate for each size hose
Failure to keep water moving when using static water supply during a relay may result in:
Loss of prime, thus delaying the operation
When putting a relay into operation, the relay pumper’s intake pressure should be maintained at:
20 to 30 psi
When relay pumpers are equipped with an adjustable intake relief valve, they should be set to 10 psi (70 kPa) above the static pressure of the water system to which it is attached or:
10 psi above the discharge pressure of the previous pumper in the relay
Once the relay is in operation, the driver/operator of the attack pumper should not attempt to correct minor fluctuations as long as the intake pressure does not drop below:
20 psi
Relay operations should be shut down first from the:
Fire scene
During fill operations, it is recommended that the fill site pumper remain in pump with a waste line flowing in order to prevent:
Loss of prime and/or overheating
Raw foam liquid in its container that has not been mixed with water and air is known as:
Foam concentrate
When using a static water source to conduct pump performance tests, how far below the surface of the water must the strainer be submerged?
2 feet (600 mm)
Which of the following is a factor the driver/operator must consider when determining the final operating position of the aerial apparatus?
Surface conditions
Which of the following is a visual indicator of a compromised asphalt surface due to extreme heat?
Shiny, glass-like surfaces where the asphalt “bleeds”
In order for the driver/operator to be ready to mount the turntable and operate the aerial device, hydraulic power must be transferred.
From the stabilizer system to the aerial operations system
Since most modern tillered aerial apparatus are equipped with stabilization systems capable of securely stabilizing them whether they are jackknifed or not, techniques for jackknifing are more important to:
Older models of tillered aerial apparatus
For which of the situations MUST personnel be safely anchored to a structural feature of the aerial device.
Any time the device is in motion
Which of the following is recommended if winds exceed manufacturer’s limits?
Cease operations
When operating at storage tank fires, the apparatus should never be spotted
Inside the dike that surrounds the affected tanks
Which of the following BEST explains why an aerial device should be aimed initially above the victim and then lowered for the rescue
Victims may attempt to jump onto the device
Which of the following is BEST described as the device that injects the correct amount of foam concentrate in the water stream to make the foam solution?
Foam proportional
The act of mixing water with foam concentrate to form a foam solution is called?
Proportioning
Which proportioning method uses an external pump to force foam concentrate into the fire stream at the proper ratio in comparison to the flow?
Injection
