CDL Practice Tests: School Bus Endorsement

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Question #477 (1 of 10)

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A school bus driver must evacuate the bus when:

  • Any of these situations occur
  • The bus is stalled on or adjacent to a railroad-highway crossing.
  • The position of the bus may change and increase the danger.
  • The bus is on fire or there is a threat of a fire.

Mandatory Evacuations. The driver must evacuate the bus when:

  • The bus is on fire or there is a threat of a fire.
  • The bus is stalled on or adjacent to a railroad-highway crossing.
  • The position of the bus may change and increase the danger.
  • There is an imminent danger of collision.
  • There is a need to evacuate quickly because of a hazardous materials spill.
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Question #472 (2 of 10)

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When students have gotten off the bus and reach the edge of the roadway to cross the street, which of the following is NOT the correct procedure for them to follow?

  • Cross far enough in front of the school bus to be in your view.
  • Walk to the left edge of the school bus, stop and look again for your signal to continue to cross the roadway.
  • Look for traffic in both directions, making sure the roadway is clear.
  • Stay very close to the front of the bus as they cross to make sure they are protected

Upon your signal, the students should:

  • Cross far enough in front of the school bus to be in your view.
  • Walk to the left edge of the school bus, stop and look again for your signal to continue to cross the roadway.
  • Look for traffic in both directions, making sure roadway is clear.
  • Proceed across the roadway, continuing to look in all directions.
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Question #500 (3 of 10)

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Which of the following are true about backing a school bus?

  • All these are true
  • You should back your bus only when you have no other safe way to move the vehicle.
  • Backing a school bus is strongly discouraged
  • You should never back a school bus when students are outside of the bus
Backing a school bus is strongly discouraged. You should back your bus only when you have no other safe way to move the vehicle. You should never back a school bus when students are outside of the bus. Backing is dangerous and increases your risk of a collision.
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Question #467 (4 of 10)

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When loading students onto a bus, which of the following is NOT the procedure to follow?

  • Wait until students are seated and facing forward before moving the bus.
  • Have the students board the school bus slowly, in single file, and use the handrail. The dome light should be on while loading in the dark.
  • Count the number of students at the bus stop and be sure all board the bus. If possible, know names of students at each stop. If there is a student missing, ask the other students where the student is.
  • If you cannot account for a student outside, send a student outside to check around and underneath the bus
  • Count the number of students at the bus stop and be sure all board the bus. If possible, know names of students at each stop. If there is a student missing, ask the other students where the student is.
  • Have the students board the school bus slowly, in single file, and use the handrail. The dome light should be on while loading in the dark.
  • Wait until students are seated and facing forward before moving the bus.
  • Check all mirrors. Make certain no one is running to catch the bus.
  • If you cannot account for a student outside, secure the bus, take the key and check around and underneath the bus.
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Question #496 (5 of 10)

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How will you know if you've lost ABS function at one or more wheels?

  • The red malfunction lamp stays on after the bulb check or goes on once you are underway
  • The yellow malfunction lamp blinks three times after the bulb check or blinks three times once you are underway
  • The yellow malfunction lamp stays on after the bulb check or goes on once you are underway
  • The yellow malfunction lamp goes off soon after starting the vehicle or goes off once you are underway
If the yellow malfunction lamp stays on after the bulb check or goes on once you are underway, you may have lost ABS control at one or more wheels.
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Question #480 (6 of 10)

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If the school bus is in the direct path of a sighted tornado and evacuation is ordered, what should you do?

  • You can do all of these
  • Take them far enough away from the bus so the bus cannot topple on them
  • Avoid taking them to areas that are subject to flash floods
  • Escort students to a nearby ditch or culvert if shelter in a building is not readily available and direct them to lie face down, hands covering their head
If the bus is in the direct path of a sighted tornado and evacuation is ordered, escort students to a nearby ditch or culvert if shelter in a building is not readily available and direct them to lie face down, hands covering their head. They should be far enough away so the bus cannot topple on them. Avoid areas that are subject to flash floods.
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Question #459 (7 of 10)

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Which of the following DOES NOT describe the left and right side crossover mirrors on a bus?

  • The mirror presents a view of people and objects that does not accurately reflect their size and distance from the bus
  • These mirrors are mounted on both left and right front corners of the bus
  • They are used to view the “danger zone” area behind the bus, including the rear door
  • They are used to see the front bumper “danger zone” area directly in front of the bus that is not visible by direct vision, and to view the “danger zone” area to the left side and right side of the bus, including the service door and front wheel area.

10.1.5 – Outside Left and Right Side Crossover Mirrors

These mirrors are mounted on both left and right front corners of the bus. They are used to see the front bumper “danger zone” area directly in front of the bus that is not visible by direct vision, and to view the “danger zone” area to the left side and right side of the bus, including the service door and front wheel area. The mirror presents a view of people and objects that does not accurately reflect their size and distance from the bus. The driver must ensure that these mirrors are properly adjusted.

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Question #454 (8 of 10)

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Describe the danger zones of a bus:

  • It may extend as much as 30 feet from the front bumper with the first 10 feet being the most dangerous
  • It extends 10 feet from the left and right sides of the bus, and 10 feet behind the rear bumper of the school bus
  • The area to the left of the bus is always considered dangerous because of passing cars
  • All these are correct
The danger zone is the area on all sides of the bus where children are in the most danger of being hit, either by another vehicle or their own bus. The danger zones may extend as much as 30 feet from the front bumper with the first 10 feet being the most dangerous, 10 feet from the left and right sides of the bus, and 10 feet behind the rear bumper of the school bus. In addition, the area to the left of the bus is always considered dangerous because of passing cars.
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Question #494 (9 of 10)

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When you drive a vehicle with ABS, which of the following is NOT the proper procedure?

  • Pump the brakes if you are in an emergency braking situation
  • Brake the same way, regardless of whether you have ABS on the bus. However, in emergency braking, do not pump the brakes on a bus with ABS.
  • As you slow down, monitor your bus and back off the brakes (if it is safe to do so) to stay in control.
  • Use only the braking force necessary to stop safely and stay in control

When you drive a vehicle with ABS, you should brake as you always have. In other words:

  • Use only the braking force necessary to stop safely and stay in control.
  • Brake the same way, regardless of whether you have ABS on the bus. However, in emergency braking, do not pump the brakes on a bus with ABS.
  • As you slow down, monitor your bus and back off the brakes (if it is safe to do so) to stay in control.
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Question #461 (10 of 10)

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When approaching a bus stop in a school bus you should activate your alternating flashing amber warning lights:

  • At least 200 feet (100 in an urban area) or approximately 5 to 10 seconds before the school bus stop
  • at least 400 feet before the stop or approximately 8 to 12 seconds before the school bus stop
  • At least 500 feet (250 in an urban area) or approximately 10 to 20 seconds before the school bus stop
  • No more than 100 feet before the stop or approximately 1 to 5 seconds before the school bus stop

When approaching the stop, you should:

  • Approach cautiously at a slow rate of speed.
  • Look for pedestrians, traffic or other objects before, during and after coming to a stop.
  • Continuously check all mirrors.
  • If the school bus is so equipped, activate alternating flashing amber warning lights at least 200 feet (100 in an urban area) or approximately five to 10 seconds before the school bus stop or in accordance with state law.
  • Turn on right-turn signal indicator about 100-300 feet or approximately three to five seconds before pulling over.
  • Continuously check mirrors to monitor the danger zones for students, traffic and other objects.
  • Move as far as possible to the right on the traveled portion of the roadway.
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About The School Bus CDL Exam

The School Bus CDL Exam is required if you want to get a school bus or charter bus endorsement. It is not required for getting a Class A CDL to drive a big rig. Bus drivers must have a commercial driver's license if they drive a vehicle designed to seat 16 or more persons, including the driver.

Bus drivers must have a passenger endorsement on their commercial driver license. To obtain the endorsement, you must pass a knowledge test on the Safe Driving and (this section) portions of the CDL manual. If your bus has air brakes, you must also pass a knowledge test on air brakes. You must also pass the skills/drive tests required for the class and type of passenger vehicle you plan to drive.

This section covers:

  • Vehicle Inspection
  • Loading
  • On the Road
  • After-trip Vehicle Inspection
  • Prohibited Practices
  • Use of Brake-door Interlocks

Vehicle Inspection

Before driving your bus, make sure it is safe. You must review the inspection report made by the previous driver. Only if defects reported earlier have been certified as repaired or not needed to be repaired, should you sign the previous driver's report. This is your certification that the defects reported earlier have been repaired.

Make sure the following are in good working order before driving:

  • Service brakes, including air hose couplings (if your bus has a trailer or semitrailer).
  • Parking brake.
  • Steering mechanism.
  • Lights and reflectors.
  • Tires (front wheels must not have re-capped or re-grooved tires).
  • Horn.
  • Windshield wiper or wipers.
  • Rear-vision mirror or mirrors.
  • Coupling devices (if present).
  • Wheels and rims.
  • Emergency equipment

Loading And Trip Start

Do not allow riders to leave carry-on baggage in a doorway or aisle. There should be nothing in the aisle that might trip other riders. Secure baggage and freight in ways that avoid damage and:

  • Allow the driver to move freely and easily.
  • Allow riders to exit by any window or door in an emergency.
  • Protect riders from injury if carry-ons fall or shift.

Forbidden Hazardous Materials

Buses may carry small-arms ammunition labeled ORM-D, emergency hospital supplies and drugs. You can carry small amounts of some other hazardous materials if the shipper cannot send them any other way. Buses must never carry:

  • Division 2.3 poison gas, liquid Class 6 poison, tear gas, irritating material.
  • More than 100 pounds of solid Class 6 poisons.
  • Explosives in the space occupied by people, except small-arms ammunition.
  • Labeled radioactive materials in the space occupied by people.
  • More than 500 pounds total of allowed hazardous materials and no more than 100 pounds of any one class.

Riders sometimes board a bus with an unlabeled hazardous material. Do not allow riders to carry on common hazards such as car batteries or gasoline. See Section 2 and Section 9 for additional information on hazardous materials.

Common Bus Accidents

Accidents In Intersections:

The Most Common Bus Accidents: Bus accidents often happen at intersections. Use caution, even if a signal or stop sign controls other traffic. School and mass transit buses sometimes scrape off mirrors or hit passing vehicles when pulling out from a bus stop. Remember the clearance your bus needs and watch for poles and tree limbs at stops. Know the size of the gap your bus needs to accelerate and merge with traffic. Wait for the gap to open before leaving the stop. Never assume other drivers will brake to give you room when you signal or start to pull out.

Speed In Curves

Accidents on curves result from excessive speed, often when rain or snow has made the road slippery. Every banked curve has a safe "design speed." In good weather, the posted speed is safe for cars but it may be too high for many buses. With good traction, the bus may roll over; with poor traction, it might slide off the curve. Reduce speed for curves. If your bus leans toward the outside on a banked curve, you are driving too fast.

Railroad Crossings

Bus drivers must stop at railroad crossings:

  • Stop your bus between 15 and 50 feet before railroad crossings.
  • Listen and look in both directions for trains. You should open your forward door if it improves your ability to see or hear an approaching train.
  • Before crossing after a train has passed, make sure there is not another train coming in the other direction on other tracks.
  • If your bus has a manual transmission, never change gears while crossing the tracks.
  • You do not have to stop, but must slow down and carefully check for other vehicles:
    • - At streetcar crossings.
    • - Where a policeman or flagman is directing traffic.
    • - If a traffic signal is green.
    • - At crossings marked as "exempt" or "abandoned.

    Prohibited Practices

    • Avoid fueling your bus with riders on board unless absolutely necessary. Never refuel in a closed building with riders on board.
    • Do not talk with riders or engage in any other distracting activity while driving.
    • Do not tow or push a disabled bus with riders aboard the vehicle, unless getting off would be unsafe. Only tow or push the bus to the nearest safe spot to discharge passengers. Follow your employer's guidelines on towing or pushing disabled buses.

    Questions You Should Know For The Exam

    • 1. Name some things to check in the interior of a bus during a pre-trip inspection.
    • 2. What are some hazardous materials you can transport by bus?
    • 3. What are some hazardous materials you cannot transport by bus?
    • 4. What is a standee line?
    • 5. Does it matter where you make a disruptive passenger get off the bus?
    • 6. How far from a railroad crossing should you stop?
    • 7. When must you stop before crossing a drawbridge?
    • 8. Describe from memory the “prohibited practices” listed in the manual.
    • 9. The rear door of a transit bus has to be open to put on the parking brake. True or False?

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