SSC MTS & Havaldar 2016 · Question 152 of 162
A speedometer or a speed meter is a gauge that measures and display the instantaneous speed of a vehicle. Key Points Odometer or odograph: It is a device used to measure thedistance travelled by the vehicle . Speedometer or speed meter: A device used by the vehicle to measure the speed of the vehicle Charles Babbage is credited with creating an early type of a speedometer, which was usually fitted to locomotives. The electric speedometer was invented by the Croatian Josip Belušić in 1888 and was originally called a velocimeter. Additional Information Instrument Use Ammeter Measures the strength of the electric current. Anemometer Measures wind speed. Barometer Measures atmospheric pressure. Bolometer Measures heat radiations. Crescograph Measures growth in plants. Calorimeter Measures heat in chemical reactions. Hydrometer Measures the specific gravity of a liquid. Hygrometer Measures atmospheric humidity. Lactometer Measures the purity of milk. Thermometer Measures temperature.
Source: SSC MTS 2016 re-exam (held 10-Oct-2017 Shift 1) paper with key+explanations, via prepp.in · reliable-secondary
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