Bx Test 12 Flashcards
Tower Ladder
Setting up the tower ladder apparatus is key to safe operation. Which choice is CORRECT about setting up the tower ladder?
A: While not preferred, tower ladders are designed to operate with outriggers and jacks down on one side while on level ground.
B: Jacks and outriggers are controlled by individual levers or an all jacks lever. The All Jacks lever is the preferred method for lowering on other than level ground.
C: If the apparatus is not level, lower the jacks/tormentors on the high side followed by the jacks/tormentors on the low side until the green lights indicate proper deployment.
D: Raising the high side fully before raising the low side can be a safety hazard and may cause damage to the suspension system.
D
Explanation:
TOWER LADDERS - CHAPTER 1
A – Incorrect – They are not designed to operate with outriggers and jacks down on one side only. 1.1
B – Incorrect – The All Jacks is the preferred method for lowering ON LEVEL GROUND. 1.1
C – Incorrect – Low side first 1.1
D – Correct 1.1
The members of Tower Ladder 99 are finishing up roll call and begin their inspection of the rig. Which of the following inspections is conducted each tour?
A: The level of the platform of the bucket.
B: Condition of the safety belts installed in the bucket.
C: Verify the platform control switch on the pedestal is not engaged.
D: Evidence of hydraulic leaks at all connections.
C Explanation: TOWER LADDERS CHAPTER 7 C is Correct – At the start of each tour, verify the platform switch on the pedestal is not engaged as this will deactivate the bucket controls. Pg 1 A, B, D are all daily inspections.
Positioning on narrow streets always presents the possibility of encountering a parked car during set up. Which choice below is CORRECT regarding positioning under these circumstances?
A: A guide firefighter, typically the roof firefighter, should assist the chauffeur in positioning the apparatus.
B: When positioning a 95’ tower ladder, a six-foot hook can be used as a guide to determine if the outriggers will clear all obstructions.
C: Presetting apparatus spotlights may provide an estimate of the final outrigger location at night.
D: Using the knuckle at the bottom of the outrigger may help the chauffeur assess the clearance between the apparatus and parked cars.
C
Explanation:
TOWER LADDERS – CHAPTER 1
A – Incorrect – typically the OVM firefighter. 1.1 PG 3
B – Incorrect – When positioning a 75’ TL the 6’ hook is sufficient. The Clearance for a 95’ tower ladder is 6’8” 1.1 PG 4
C – Correct – 1.1 PG 3
D – Incorrect – Clearance between parked cars (not the apparatus and parked cars). 1.1 pg 3
The placement of the pins once the jacks and outriggers are extended are critical to the stability of the apparatus. Which choice is CORRECT regarding the preferred pin placement?
A: The preferred placement of manual pins for outriggers shall be at the lowest hole available.
B: The preferred placement of manual pins for jacks shall be at the lowest hole available.
C: The preferred placement of manual pins for outriggers and jacks shall be at the highest slot available once extended.
D: The preferred placement of manual pins for outriggers and jacks shall be at the lowest slot available once extended.
A
Explanation:
TOWER LADDERS – CHAPTER 1
A – Correct – 1.1 PG4
B – Incorrect – Highest hole available – 1.1 PG 4
C – Incorrect – Outriggers (lowest), Jacks (Highest) 1.1 PG 4
D – Incorrect – Outriggers (lowest), Jacks (Highest) 1.1 PG 4
Tower Ladder placement will depend upon conditions encountered on arrival. Which of the following choices is not listed as a factor in tower ladder placement?
A: Fire Conditions – location and extent of fire.
B: Type of Structure – Height and Area.
C: Time of Day.
D: Smoke Conditions – light, medium, heavy.
D Explanation: TOWER LADDERS – CHAPTER 2 A, B, C Correct -2 PG 1 D – Not listed – Smoke Conditions are not listed as factors influencing TL positioning.
The Tower Ladder bucket has a limited amount of space for firefighters. Which choice is the CORRECT maximum number of firefighters that should operate in the bucket?
A: 1
B: 2
C: 3
D: 4
B
Explanation:
TOWER LADDERS CHAPTER 1
B is Correct sec 1.3 PG 8 top
Tower Ladder 1 is responding first due to a reported fire in a row of occupied Brownstone type Row Frame buildings. The Officer and members have a number of position related considerations to make. Which point below is INCORRECT?
A: The recommended apparatus positioning upon arrival should be for top floor VEIS.
B: A properly positioned Tower Ladder could potentially cover six row frame buildings.
C: Particular attention should be given to the larger room that shares two windows.
D: The LSR & Saw shall be taken to the roof when the bucket is used for roof access.
C Explanation: TOWER LADDERS CHAPTER 2 A – Correct – 2.1.1 B – Correct – 2.1.2 & Photo C – Incorrect – Particular attention should be given to the small bedrooms having their only entrance from the hall. 2.12.1 pg 5. D – Correct – 2.1.1 & 2.1.2
When positioning the bucket for Rescue and Removal of people from windows, it is important to properly position the bucket for operation. Which choice below is CORRECT about bucket and apparatus positioning?
A: To expedite placing the bucket to a window, position the apparatus with the cab angled away from the objective lining up the bucket with the window.
B: To expedite placing the bucket to a window, position the apparatus parallel to the objective, lining up the bucket with the window.
C: To expedite placing the bucket to a window, position the apparatus parallel to the objective, lining up the turntable with the window.
D: To expedite placing the bucket to a window, position the apparatus with the cab angled away from the objective, lining up the turntable with the window.
B
Explanation:
TOWER LADDERS – CHAPTER 3
B is Correct – Chapter 3 3.3 pg 3
Ladder 99 is responding to an advanced fire on the 1st & 2nd floors of a 2 ½ story peaked roof private dwelling. Which of the following is INCORRECT about their positioning upon arrival?
A: At an advanced fire, the main objective is to position a tower ladder in front of the fire building.
B: When possible, the preferred position is with the apparatus cab angled away from the building so the bucket can be placed over the corner of the building near the peak of the roof.
C: The turntable should be positioned to enable the bucket to cover two sides of the private dwelling
D: If the apparatus cannot be placed in the preferred position, place the bucket to the valley area where a hook ladder can be used to reach the peak.
B Explanation: TOWER LADDERS – CHAPTER 2 A – Correct 2.1.6 PG11 B – Incorrect – Parallel to the front of the building. PG11 C – Correct 2.1.6 PG 11 D – Correct 2.1.6 PG 12
When positioning the tower ladder at a fire in a place of worship with access from all sides, which choice below most reflects the CORRECT sides(s) the apparatus should cover?
A: Exposure 1 or 3 side
B: Exposures 2 or 4 side
C: Exposures 2 & 3 sides
D: Exposures 1 & 4 sides
D Explanation: TOWER LADDERS – CHAPTER 2 2.1.8 States – At fires in places of Worship, the Tower Ladder should be positioned to cover two sides of the building and provide ventilation of the roof and rose window. The Rose window is exposure 1. Choice D is Correct
Which of the following is CORRECT regarding apparatus positioning and the scrub area of the tower ladder?
A: Generally, the boom has enough clearance to reach most 2nd floor windows and above when operating over the crew cab.
B: The ideal horizontal distance from the center line of the turntable to an objective is 32 feet.
C: When the center line of the turntable is 20 feet from a building, there is sufficient room for the bucket to be dropped below the horizontal with the boom perpendicular to the side of the apparatus.
D: Observing the relationship of the objective to the building line may assist chauffeurs with initial positioning.
B
Explanation:
TOWER LADDERS – CHAPTER 2
A – Incorrect – clearance to reach most 3rd floor windows. 2 PG 3 top
B – Correct – CH 2 pg 2 bottom
C – Incorrect – 25 feet from the building line CH 2 pg 2 bottom
D – Incorrect – relationship of the objective to the lines in the sidewalk. PG 2 bottom
Which truck company member is responsible for personally verifying that all outriggers, jacks, and pins are properly placed prior to raising the boom?
A: Officer
B: Chauffeur
C: OVM Firefighter
D: Roof Firefighter
B
Explanation:
TOWER LADDERS CHAPTER 1
B is Correct – LCC 1.2 PG 6 top
Tower Ladders have their own communications system installed. Which choice below is CORRECT regarding communicating during tower ladder operations?
A: A test of the intercom shall be made each tour, and at the initial stages of placing the Tower Ladder into operation.
B: When transmitting orders between the bucket and pedestal, the reference point is always the bucket position.
C: The HT tactical channel is the preferred means of communicating between the pedestal and bucket.
D: Boom Right is terminology that refers to rotating the boom to the bucket firefighter’s right.
A Explanation: TOWER LADDERS – CHAPTER 1 A – Correct - 1.5 B – Incorrect – Pedestal position C – Incorrect – Intercom system D – Incorrect – pedestal FF’s Right
When it comes to deployment of the tower ladder stream, there are several precautions the members in the bucket must take. Which of the following choices below is CORRECT?
A: Prior to water delivery, set and lock the monitor in the direction of the start point of water delivery.
B: Unlike the Engine Company Multiversal, the stream shaper is not required to ensure a good quality stream and maximum reach.
C: Members must verify use of the installed safety belt, life belt, or personal harness secured to a substantial part of the bucket prior to calling for water.
D: If water will be applied to the horizontal or below, pull the safety pin on the waterway prior to calling for water.
C
Explanation:
TOWER LADDERS CHAPTER 4
A – Incorrect – Set and lock the monitor high in the air. 4.2
B – Incorrect – The stream shaper should normally be left in place 4.2
C – Correct 4.2
D – Incorrect – Below the horizontal, pull the pin on the waterway. 4.2
You are the officer working in Tower Ladder 99 and you are charged with having the bucket supplied with water for TL operations.Which choice below is CORRECT regarding supply operations?
A: Water flow to the tower ladder should be controlled at the supply source (Engine or Satellite manifold). Water should always be shut down at the supply pumper.
B: When stretching supply line to the Tower Ladder, ensure the female end is stretched to the gated inlet; storing spanners and fittings in proximity to the gated inlet at the base of the Tower Ladder will increase unit efficiency when transitioning to an LCS operation.
C: To maximize the efficiency of the Tower Ladder, if possible, two sources should generally be employed to supply the bucket.
D: The recommended pressure at the Tower Ladder nozzle for an effective operation should be 200-250 psi.
A
Explanation:
TOWER LADDERS – CHAPTER 4
A – Correct – 4.1
B – Incorrect – Ensure the male end is stretched to the TL
C – Incorrect – Generally, one supply source at the base of the tower ladder should be used. 4.1
D – Incorrect – Recommended pressure at the gated inlet should be 200-250 psi.
Certain components of the tower ladder require inspection by the members to ensure serviceability. Which of the following regarding inspection times is CORRECT?
A: Condition of the safety belts installed in the bucket is conducted each tour.
B: A visual check of the condition or presence of the clip/nut at the end of each boom section is done daily.
C: A visual check of the compression and tension bolts at the turntable 5th wheel shall be made monthly.
D: A test of the electrical outlets at the bucket and lights is conducted each tour.
B
Explanation:
TOWER LADDERS CHAPTER 7 – INSPECTION
A – Incorrect – Safety belt inspection is DAILY
B – Correct –Clip/nut at the end of the boom sections is inspected DAILY
C – Incorrect – Turntable 5th Wheel is inspected during MUD at operations or in quarters Pg 2.
D – Incorrect – Electrical outlets at the bucket and lights is conducted daily.