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Machine Dynamics Practice Test: Brakes and Dynamometers
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Brakes and Dynamometers topics include: Brakes and dynamometers, band brake, dynamometers types, epicyclic dynamometers and bevis gibson flash light torsion dynamometer. A brake is a mechanical device that absorbs and dissipates mechanical energy as heat. It's used to stop or slow down the motion of a rotating object. A dynamometer is a device that measures mechanical power.  Here are some types of dynamometers: Prony brake: One of the earliest dynamometers, the Prony brake dynamometer has been used for over 200 years to measure engine horsepower. Rope brake dynamometer: A rope is wound... Show more
Machine Dynamics Practice Test: Brakes and Dynamometers
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1 Questions

1. The combined mass of bicycle and rider is 100 kg, they are travelling at the speed of 16 km/h on a level road. Diameter of rear wheel is 0.9m. The pressure applied on the brake is 100 N and μ = 0.05., find the no. of revolutions made by the bicycle before it comes to rest.