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As information is going to be a strategic weapon in all future warfare, every country is taking giant steps to access the accurate information about the combat situation so that right decision is taken at right time A Battle Tank can effectively annihilate the enemy targets, until it has Ammunition Stocks and can successfully maneuver through the enemy locations until the fuel lasts, thus replenishing the same is a foremost important winning factor in war. So, the Information about the exact quantity of Fuel, Ammunition available in the Fighting vehicle (Tanks) at any point of time dictates its deployability into the deeper enemy territories. Worldwide, all Main Battle Tanks (MBT), are fitted with a capacitance based fuel level indicating system. The difficulty is that it can indicate only the volume of a particular fuel tank to which it is fitted, where as a MBT may have many fuel tanks, to utilize the space wherever possible.

The main objective of this investigation is to improve the performance of a diesel engine, to clean it's exhaust by fumigating methanol and to achieve maximum diesel replacement. The experimental study was carried out in a single cylinder diesel engine. A heat exchanger was provided to preheat the inlet air. The experimental setup was such that the methanol was fumigated in the heat exchanger very near to intake manifold. The result shows an appreciable reduction of emissions such as oxides of Nitrogen, smoke density and marginal increase in the performance when compared with normal diesel engine.