Bike "Q" Advanced Bike Quiz

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| By Bikelane
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Bikelane
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Quizzes Created: 2 | Total Attempts: 931
| Attempts: 144
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  • 1/10 Questions

    Which is the most accurate number for the percentage of serious head injuries that can be avoided by wearing a helmet?

    • 80%-85%
    • 60%-70%
    • 40%-50%
    • 20%-30%
    • Helmets actually cause more injuries than they protect against
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About This Quiz

This is a more advanced bike safety and maintenance quiz than the basic quiz. It is designed to test your knowledge of cycling safety, maintenance and repair.

Bike "Q" Advanced Bike Quiz - Quiz

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  • 2. 

    Which presents the most slippery surface condition?

    • Concrete

    • Asphalt

    • A wet surface after a recent rain following a long dry spell.

    • A wet surface after a recent rain following a short dry spell.

    • A wet surface following a recent rain.

    Correct Answer
    A. A wet surface after a recent rain following a long dry spell.
    Explanation
    Many accidents due to slippery road conditions are right after the "first flush" or first rain after a long dry spell. Roads accumulate oils that are mixed with water in this situation. This makes a very slippery condition.

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  • 3. 

    Where do you almost exclusively find a reverse thread on a bike?

    • On bikes made in Asia

    • On the left side of hubs

    • On the left pedal where it attaches to the crank

    • On the right pedal where it attaches to the crank

    • Reverse threads were on older bikes but not now.

    Correct Answer
    A. On the left pedal where it attaches to the crank
    Explanation
    The reverse thread on a bike is almost exclusively found on the left pedal where it attaches to the crank. This is because the left pedal is prone to unscrewing itself due to the motion of pedaling. The reverse thread helps to prevent this by tightening the pedal as the rider pedals forward. On the other hand, the right pedal has a regular thread as it is less likely to unscrew during pedaling.

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  • 4. 

    Which of he following is true in regards to braking? Mark all that apply.

    • When braking your center of gravity moves forward.

    • When braking your center of gravity moves backward.

    • You SHOULD NOT be able to squeeze the brake lever all the way to the handle bar grip.

    • You SHOULD be able to squeeze the brake lever all the way to the handle bar grip.

    • You should sit as far back as possible during hard braking

    Correct Answer(s)
    A. When braking your center of gravity moves forward.
    A. You SHOULD NOT be able to squeeze the brake lever all the way to the handle bar grip.
    A. You should sit as far back as possible during hard braking
    Explanation
    When braking, your center of gravity moves forward because the deceleration causes a shift in weight towards the front of the vehicle. You SHOULD NOT be able to squeeze the brake lever all the way to the handlebar grip because it indicates that the brake system is not functioning properly. You should sit as far back as possible during hard braking to maintain stability and prevent the rear wheel from lifting off the ground.

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  • 5. 

    Which is the most accurate figures for calories needed to travel one mile by bike vs. one mile by car? Bike is first, car is second. Calories for the bike trip are for the rider. For the car they are calories consumed in gas. All figures are in kilo calories.

    • 10/250

    • 35/500

    • 35/1,000

    • 35/1800

    • 100/2000

    Correct Answer
    A. 35/1800
    Explanation
    A car is so inefficient that most of the energy is wasted in heat and mechanical loss. A cyclist only needs about 35 calories to go one mile for which a car needs 1800.

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  • 6. 

    If you could convert the kilo calories in a gallon of gas to human energy, which is the most correct answer for about how many miles a cyclists could get out of one gallon of gas?

    • 100 miles

    • 250 miles

    • 500 miles

    • 750 miles

    • 1,000 miles

    Correct Answer
    A. 1,000 miles
    Explanation
    The given answer of 1,000 miles is the most correct answer because a gallon of gas contains approximately 31,536 kilocalories of energy. On average, a cyclist can burn around 500-600 kilocalories per hour of cycling. Therefore, if we assume a cyclist can convert all the energy from a gallon of gas into human energy, they would be able to cycle for approximately 52-63 hours, which would translate to around 1,000 miles.

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  • 7. 

    Why is riding a bike at a normal speed really controlled falling?

    • If people stop pedaling they always fall over.

    • Centrifugal force keeps your from falling.

    • As you begin to fall to one side, you briefly turn in the same direction, allowing your forward inertia to help your right the bike.

    • As you begin to fall to one side, you turn in the opposite direction, allowing your inertia to compensate.

    • Spinning wheels act as gyroscopes, the main reason you don't fall.

    Correct Answer
    A. As you begin to fall to one side, you briefly turn in the same direction, allowing your forward inertia to help your right the bike.
    Explanation
    "C" is correct because by turning in the direction of the fall (or lean) the inertia of your body continues in a straight line. Leaning enough forces your body to take a more straight trajectory than the lean would indicate, thus righting yourself, and beginning the process over again. Here is a link with more detail: http://www.dclxvi.org/chunk/tech/trail/

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  • 8. 

    Which percentage best represents bike accidents that involve a collision with a car?

    • 11%

    • 20%

    • 32%

    • 45%

    • 65%

    Correct Answer
    A. 11%
    Explanation
    The correct answer is 11% because it is the lowest percentage among the options provided. This suggests that a smaller proportion of bike accidents involve a collision with a car compared to other factors.

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  • 9. 

    Check all that are TRUE

    • More than 80% of bike crashes do not involve cars.

    • Riding on the wrong side of the street against traffic is a leading cause of accidents with cars, and one which is the fault of the cyclist.

    • The League of American Bicyclists recommends proceeding carefully against a red light if the street trigger does not react in a reasonable amount of time.

    • Children make up about a third of all the bicycle related fatalities in the U.S.

    • The Quick Stop, Rock Dodge, and Instant Turn are safety maneuvers in the LAB bicycle safety program.

    Correct Answer(s)
    A. More than 80% of bike crashes do not involve cars.
    A. Riding on the wrong side of the street against traffic is a leading cause of accidents with cars, and one which is the fault of the cyclist.
    A. The League of American Bicyclists recommends proceeding carefully against a red light if the street trigger does not react in a reasonable amount of time.
    A. Children make up about a third of all the bicycle related fatalities in the U.S.
    A. The Quick Stop, Rock Dodge, and Instant Turn are safety maneuvers in the LAB bicycle safety program.
    Explanation
    More than 80% of bike crashes do not involve cars. This suggests that the majority of bike crashes occur without the involvement of cars, indicating that there are other factors or causes that contribute to these incidents. Riding on the wrong side of the street against traffic is a leading cause of accidents with cars, and one which is the fault of the cyclist. This implies that when cyclists ride against traffic, they are more likely to be involved in accidents with cars, and they are responsible for these accidents. The League of American Bicyclists recommends proceeding carefully against a red light if the street trigger does not react in a reasonable amount of time. This suggests that cyclists should exercise caution and proceed with care if the traffic signal does not change in a reasonable time, ensuring their safety. Children make up about a third of all the bicycle-related fatalities in the U.S. This indicates that a significant portion of bicycle-related fatalities involve children, highlighting the vulnerability of this age group. The Quick Stop, Rock Dodge, and Instant Turn are safety maneuvers in the LAB bicycle safety program. This implies that these specific maneuvers are taught and recommended as safety techniques in the LAB bicycle safety program.

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  • 10. 

    Select ALL of the reasons the bike is the most efficient means of transportation.Hint: There is more than one right answer.

    • The ergonomic design or interface between the rider and the bike allows for efficient use muscles to convert effort to movement.

    • Sitting on a bike means you don't have to fight the pull of gravity.

    • A person on a bike is so aerodynamic that there is less drag than any other creature.

    • The use of the wheel is more efficient than bipedal locomotion

    • A person on a bike is not the most efficient of all creatures. Dolphins are just a little more efficient.

    Correct Answer(s)
    A. The ergonomic design or interface between the rider and the bike allows for efficient use muscles to convert effort to movement.
    A. Sitting on a bike means you don't have to fight the pull of gravity.
    A. The use of the wheel is more efficient than bipedal locomotion
    Explanation
    The ergonomic design or interface between the rider and the bike allows for efficient use of muscles to convert effort to movement. Sitting on a bike means you don't have to fight the pull of gravity. The use of the wheel is more efficient than bipedal locomotion. These reasons make the bike the most efficient means of transportation.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 30, 2008
    Quiz Created by
    Bikelane
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