Which instrument, commonly found on a vehicle’s dashboard, measures the vehicle’s current speed?
AAltimeter
BSpeedometer
CBarometer
DOdometer
Explanation
A speedometer measures a vehicle’s current speed, typically displaying the reading in kilometers or miles per hour, and it commonly works by detecting the rotational speed of the wheels or transmission and converting that into a speed reading. This differs from an odometer, a related but separate instrument that instead tracks the total cumulative distance a vehicle has traveled over its lifetime. Modern vehicles often use electronic sensors rather than older mechanical cable systems to measure and display speed. Explore more Everyday Science MCQs on mcqstutor to keep practicing.

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