Overall Power Loss in Engine


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Gear Train

A   gear train   is formed by mounting   gears   on a frame so that the teeth of the gears engage. Gear teeth are designed to ensure the pitch circles of engaging gears roll on each other without slipping; this provides a smooth transmission of rotation from one gear to the next. •     A gear train is two or more gear working together by meshing their teeth and turning each other in a system to generate power and speed •       It reduces speed and increases torque •      Electric motors are used with the gear systems to reduce the speed and increase the torque Types of gear train §   Simple gear train §   Compound gear train §   Epicyclic gear train §   Reverted gear train
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Battery Introduction

An electrical   battery   is one or more   electrochemical cells   that convert stored chemical   energy   into electrical energy . Batteries come in many sizes, from miniature cells used to power  hearing aids   and wristwatches to battery banks the size of rooms that provide standby power for   telephone exchanges   and computer   data centers . Battery has two terminals. One terminal is marked (+), or positive, while the other is marked (-), or negative. In normal flashlight batteries, like AA, C or D cell, the terminals are located on the ends. On a 9-volt or car battery, however, the terminals are situated next to each other on the top of the unit. If you connect a wire between the two terminals, the electrons will flow from the negative end to the positive end as fast as they can. This will quickly wear out the battery and can also be dangerous, particularly on larger batteries. To properly harness the electric charge produce...
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Principle of Operation

A battery is a device that converts chemical energy directly to electrical energy.   It consists of a number of voltaic cells; each voltaic cell consists of two   half cells connected in series by a conductive electrolyte containing anions and cations. One half-cell includes electrolyte and the electrode to which   anions   (negatively charged ions) migrate, i.e., the   anode   or negative electrode; the other half-cell includes electrolyte and the electrode to which   cations   (positively charged ions) migrate, i.e., the   cathode   or positive electrode. In the   redox   reaction that powers the battery, cations are reduced (electrons are added) at the cathode, while anions are oxidized (electrons are removed) at the anode.   The electrodes do not touch each other but are electrically connected by the   electrolyte . Some cells use two half-cells with different electrolytes. A separator between half cells allows io...
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