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Showing posts from November, 2017

How Hit and Miss Governor works ? Explanation and Working in Hindi.

A  hit-and-miss engine  is a type of four-stroke  internal combustion engine  that is controlled by a  governor  to operate a set speed. It was conceived in the late 19th century and produced by various companies from the 1890s through approximately the 1940s. The name comes from the speed control on these engines: they are designed to fire ("hit") only when operating at or below a set speed, and to cycle without firing ("miss") when they exceed their set speed. This is as compared to the " throttle  governed" method of speed control. The sound made when the engine is running without a load is a distinctive "POP whoosh whoosh whoosh whoosh POP" as the engine fires and then coasts until the speed decreases and it fires again to maintain its average speed. Many engine manufacturers made hit-and-miss engines during their peak use—from approximately 1910 through the early 1930s when more modern designs began to replace them. Some of the largest e...

Working of Window Air Conditioning in Hindi......

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Vapour Compression Refrigeration Cycle in Hindi.

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