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Working of Refrigerator in hindi

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Engine: An Engine is a device which transform one form of energy into another form, the efficiency of conversion plays an important role. Normally, most of the engine convert thermal energy into mechanical work and therefore they called Heat Engine . Heat Engine: Heat Engine is a device which transform the chemical energy of a fuel into thermal Energy and utilizes this thermal energy to perform useful work. Thus, thermal energy is converted to mechanical energy in a heat engine. Heat Engine can be broadly classified into two categories: Internal Combustion Engines (IC Engine) External Combustion Engines (EC Engines) Again Internal and External Engines are divided into two parts Reciprocating Engines Rotary Engines External Combustion Engines: External Combustion engine are those in which combustion takes place outside the engines. Internal Combustion Engines: Internal Combustion Engines are those in which Combustion takes place within Engines. Fou...
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Types of Governors

1. centrifugal governor Its action depends on the change of speed and centrifugal effect produced by the mass, known as governor balls or fly balls, which rotate at a distance from the axis of rotation. The action of governor depends on the centrifugal effect produced by the masses of the two balls. With the increase in speed the balls tend to rotate at a greater radius from the axis. This causes the sleeve to slide up on the spindle and this movement of the sleeve in communicated to the throttle through a bell crank Lever this closes the throttle valve to the required extent. When the speed decreases, the ball rotate at a smaller radius and the valveis open according to the requirement. 2. Inertia governor The positions of the balls are affected by the forces is set up by an angular acceleration or the deceleration of the given a spindle in addition to centrifugal force is on the balls. The balls are operated by the rate of change of speed in case of inertia Governors. Hence the...
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TYPES OF CENTRIFUGAL GOVERNOR

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