Fire Apparatus Driver/Operator Chapter 16 + 17 + 18

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Questions and Answers

What does one sound of the buzzer system in older apparatus indicate?

  • Go
  • Stop (correct)
  • Acknowledge signal
  • Reverse

What is the maximum weight limit for a tiller?

  • 80,000 lbs (correct)
  • 60,000 lbs
  • 120,000 lbs
  • 100,000 lbs

How many braking axles do tillers have?

  • 3 (correct)
  • 6
  • 5
  • 4

When positioning an apparatus near a building with overhead wires, what is the ideal distance to position it away from the building?

<p>25 to 30 ft (D)</p> Signup and view all the answers

What is one of the most difficult maneuvers in a tiller?

<p>Right hand turns from a dedicated right hand turn lane with a vehicle on the left (D)</p> Signup and view all the answers

What must be applied on tillers before operating the aerial?

<p>Parking brake and trailer brake (C)</p> Signup and view all the answers

Where should the driver position the dual axles when operating the aerial ladder?

<p>On the spot from which they view the ladder extending (C)</p> Signup and view all the answers

What is recommended when using chocks for tillers?

<p>Place chocks both ahead of and behind the front steering axles (D)</p> Signup and view all the answers

When extending the aerial over a roof, how far should the bottom of the ladder be above the roof edge?

<p>3 to 6 inches (B)</p> Signup and view all the answers

What is the recommended extension of the aerial above the edge of the roof?

<p>3 to 6 rungs (D)</p> Signup and view all the answers

What should personnel do if the aerial comes in contact with powerlines?

<p>Remain off the apparatus until power is shut off or aerial is freed from contact (D)</p> Signup and view all the answers

What is the typical balcony rail height?

<p>4 ft (A)</p> Signup and view all the answers

How far should the aerial be extended past the base section's sixth rung to keep the tip of the fly section clear?

<p>55 ft (B)</p> Signup and view all the answers

What length of roof ladder can help victims make the transition onto the aerial?

<p>14 ft (A)</p> Signup and view all the answers

How often should hydraulic reservoirs be checked?

<p>At least weekly (B)</p> Signup and view all the answers

What size of particles can the integral filter in the hydraulic reservoir clean the oil of?

<p>10 microns (A)</p> Signup and view all the answers

What is the advantage of double-acting cylinders in hydraulic systems?

<p>Allows the unit to fly below the 0-degree grade and still have enough power to lift the aerial back up (D)</p> Signup and view all the answers

What is the bottom section of the ladder called?

<p>Base section (C)</p> Signup and view all the answers

What is most often responsible for damaging jack plates?

<p>Road potholes and railroad crossings (A)</p> Signup and view all the answers

Which hydraulic system is the largest and most powerful on the aerial apparatus?

<p>Lift cylinders (C)</p> Signup and view all the answers

What is the minimum flow on an aerial device, per NFPA standards?

<p>1,000 gpm (D)</p> Signup and view all the answers

How many cavities does a hydroelectric swivel have?

<p>3 cavities (C)</p> Signup and view all the answers

What is the minimum outer diameter recommended for rungs on the ladder?

<p>1.25&quot; (D)</p> Signup and view all the answers

How much weight should each rung of the ladder be capable of supporting at the center?

<p>250 lbs (C)</p> Signup and view all the answers

What is the minimum required width between handrails at the top of the ladder?

<p>18 inches (D)</p> Signup and view all the answers

How much flow can the water curtain underneath the platform handle in case of impinging fire?

<p>75 gpm (D)</p> Signup and view all the answers

What is the maximum angle newer aerials are capable of operating at?

<p>-10 to +75 degrees (B)</p> Signup and view all the answers

How is the working height of the unit measured?

<p>From the ground to the highest ladder rung at full elevation (C)</p> Signup and view all the answers

What does the red zone on level indicators signify?

<p>Exceeding safe limits, operations should not continue (A)</p> Signup and view all the answers

What does the green zone on level indicators signify?

<p>between 0 and 3.5 degrees, operates at 100% capacity (A)</p> Signup and view all the answers

What does the yellow zone indicate?

<p>between 3.5 and 6 degrees, operates at 50% capacity (C)</p> Signup and view all the answers

In what order should new drivers operate the ladder?

<p>Raise, rotate, extend (D)</p> Signup and view all the answers

What happens if a driver over pumps the aerial?

<p>Excess water is vented to the ground (C)</p> Signup and view all the answers

When does NDT testing need to be done?

<p>Every 5 years (A)</p> Signup and view all the answers

When does a time trial with the ladder start and end?

<p>Starts when the ladder is lifted from the cradle, ends after all three functions are completed (C)</p> Signup and view all the answers

Where is it recommended to rotate during the rotation phase?

<p>To the side of the control pedestal (C)</p> Signup and view all the answers

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