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Question

What are the speedometer and odometer?


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Solution

Definition

  1. A speedometer is a device in automobiles that monitors the vehicle's speed directly in kilometersperhour.
  2. The vehicle's odometer indicates the distance traveled (moving).

Speedometer

The speedometer's speed-indicating technology would be operated by around permanent magnet that would be turned or cycled 1,000 revolutions every mile of road transportation by either a flexible shaft controlled by gearing at the transmission's rear.

  1. The magnet rotates within a moveable metal cup constructed of light nonmagnetic metal and coupled to the shafts holding the signaling pointers; the magnetic circuit would be concluded by a circular stationary field plate around the moving cup.
  2. As the magnet revolves, a magnetic drag is exerted on the moveable cup, tending to rotate itself against the constraint of a spiral spring. The stronger the force on the cup as well as the pointer, the quicker the magnet revolves.

Odometer

An odometer would be a device used to calculate the distance traveled by a vehicle. The odometer is normally seen on the dashboard of a car.

  1. Digital odometers differentiate from mechanical odometers in that they measure mileage using a computer chip. The current mileage will be shown digitally.
  2. A trip meters or trip odometer might be installed on a vehicle. The trip odometer, however unlike the ordinary odometer, could be refreshed at any time.

Therefore, the speedometer dial is measured either in that mileperhouras well as kilometersperhour or perhaps in some versions. People who build roads as well as evaluate land also use odometers.


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