In this study, the use of plastic bottles and plastic waste in the making of plastic sand bricks is examined. Plastic apart from being one of the highly generated waste is also one of the most easily recyclable materials. Using this property of recyclability, plastic waste in the form of PET bottles will be used to create masonry units that may be able to replace conventional bricks which are made up of clay and sand only. Sand will be mixed with plastic in different ratios and tests such as compressive strength test, water absorption test, efflorescence test and fire resistance test will be done. Results from this study are expected to help determine the appropriate mixing ratios of sand and plastic in order to obtain optimum strength and other properties.
-The main purpose of my project is to study the types of cylinders and their firing order and also to fabricate the prototype of a 4-stroke four cylinder engine. The four stroke engine mainly divided into 2 types based upon their use of fuels. (i.e., petrol and diesel).Based on the volume(cc) of an engine the cylinders are manufactured, and are classified into different types in-line, vtype, horizontal, w-type, and radial cylinders. the firing orders are different for different types of cylinders and were given correct orders to overcome from vibrations and from superheated zone.The various process involved in the fabrication of prototype are raw material cutting, grinding and machining. Under this processes like lathe machine and their application process, chamfering and tapering etc is done respectively. The arc welding is used to fabricate the mildsteel (M.S.) prototype of four stroke four cylinder engine.these are widely used in ships, locomotives and other automotives.
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