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Cars

Cars quiz

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Question 1 of 3Easy

Where is the safest place for young children to sit in a car?

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Spaced repetition

More questions about Cars

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

  1. 1 Easy

    What power source does a standard hybrid car combine with gasoline?

    Answer: Electricity

    Why: A standard hybrid never plugs in; braking also turns its motor into a generator that recharges the traction battery.

  2. 2 Medium

    What was the original purpose of a dashboard on a horse carriage?

    Answer: Blocking mud

    Why: The English word dashboard dates from 1846, when to dash meant to splash, and by 1904 it named the panel of gauges in a car.

  3. 3 Hard

    Which car suspension uses two unequal control arms?

    Answer: Double wishbone

    Why: Making the upper arm shorter tilts the top of the tire inward during body roll to keep the tread flat.

  4. 4 Easy

    Which device was invented to clear rain and snow from a car windshield?

    Answer: Wipers

    Why: Mary Anderson patented a hand-operated wiper in 1903 after watching a trolley driver struggle to see in sleet.

  5. 5 Medium

    Which part do diesel engines lack, since they ignite by compression?

    Answer: Spark plugs

    Why: Diesel engines squeeze air at compression ratios of about 15:1 to 23:1, heating it enough to ignite fuel with no spark.

  6. 6 Hard

    How many miles did the world record-holding Volvo P1800 travel?

    Answer: 3.2 million miles

    Why: Irv Gordon bought the coupe new in 1966 for 4,150 dollars and drove it for 52 years; it is now a museum piece at World of Volvo in Gothenburg.

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