The Kelvin temperature of the hot reservoir of a Carnot engine is twice that of the cold reservoir, and work done by the engine per cycle is 49 J. (a) Calculate the efficiency of the engine. e = (b) Calculate the heat absorbed per cycle (in J). J (c) Calculate the heat exhausted per cycle (in J). J

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.