The depletion of oil resource as well as the environmental regulation has led to the development of alternate energy sources. In present work the performance characteristics of a computerized single cylinder diesel engine when fuelled with blends of mustard, kerosene and diesel were evaluated. Experiments were performed with different blends namely MK5, MK10 and MK15and the performance of these blends was compared with diesel oil. The various fuel properties such as Calorific value, viscosity,

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... lash point, fire point, carbon residue and cetane number were calculated in Anacon Laboratories Pvt. Ltd, New Delhi for different blends. For analyzing the performance of C.I. engine using these blends-brake power, mechanical efficiency, brake mean effective pressure, brake thermal efficiency, specific fuel consumption, torque and volumetric efficiency were found at different load. Variations of cylinder pressure with crank angle were observed at loads of 15kg, 9kg and in no load condition. Brake thermal efficiency for MK5 blend was greater as compared to diesel fuel and other blends and was least for MK15 blend. The specific fuel consumption was found minimum for MK5 blend as compared to diesel fuel and the other blends. And specific fuel consumption was maximum for MK10 blend. The volumetric efficiency reduces with increase in load and was greater for MK5 blends as compared to other blends, although it was quite less than that of diesel oil. It was found that the blends of Mustard, kerosene and diesel oil could be successfully used with acceptable performance up to certain extents in C.I. engine. The CO and HC discharges are higher than diesel. Nonetheless, NOx discharge of the mixes were observed to be diminished essentially contrasted with diesel as mix proportion expanded. Smoke emission was observed to be expanded marginally when contrasted with diesel ©IJRASET: All Rights are Reserved 800 K. The best results for Brake Specific Fuel Consumption and brake thermal efficiency were observed at compression ratio, IP and pristine BTDC. For tested fuel, an incrementation in IP, IT and CR led to increment in EGT and reduction in smoke opacity. L. Xiangli Wang, Peiyong Ni 2017 [36] done experiment on Single-cylinder, 4-stroke, air cooled, direct-injection diesel engine. Waste lubricant oil (WLO) is one of the most paramount types of the energy sources. WLO cannot be burned directly in diesel engines but can be processed to be utilized as diesel-like fuel (DLF) to minimize its deleterious effect and maximize its subsidiary values. The effects of the fuels on fuel economy performance, combustion characteristics, and emissions of hydrocarbons (HC), carbon monoxide (CO), nitrogen oxides (NOx) and smoke were discussed.It is resulted that the diesel-like fuel can be utilized as potential available fuel in high-speed diesel engines without any quandaries. The DLF exhibits virtually the same combustion performance as pristine diesel. Because the incrementation of emissions of the DLF is not very pronounced, it is still an alluring alternative fuel for diesel engine from the viewpoint of recycling waste. M. Huseyin Aydin 2016 [38] did his analysis on DI engine uses three fuel series: safflower, kerosene, and diesel. In this experiment, biodiesel was engendered from safflower oil. S90&K10, S75&K25 and S50&K50 were yare by coalescing biodiesel with kerosene. A 4-cylinder diesel engine that was acclimated to drive an electric engenderer was utilized to deeply investigate the homogeneous attribute of combustion, performance and emission characteristics of the coalescence fuels to diesel fuel with 50 ppm sulfur content. All experiments are done in constant loads. N. It was resulted that high percentages of safflower oil biodiesel can be a potential substitute for diesel fuel provided that it is utilized as coalesced with certain amounts of kerosene. Kerosene integration to biodiesel can be considered as a good solution for reducing sustainable usability of biodiesel fuels under comparatively all operating conditions in diesel engines. O. Sneha E. Mahesh et al. 2015 [42] did experiment on the Biodiesel, Waste cooking oil using (KBr/CEO). This research is act with the synthesis of a heterogeneous catalyst (KBr/CaO) from commercial calcium oxide and potassium bromide by humid impregnation method. This reaction parameters were varied to obtain the maximum yield of biodiesel. P. The performance and emission characteristics for sundry of coalescences of biodiesel (B10, B20, B50 and B100) were investigated in a four-stroke direct injection diesel engine. The results denoted that the brake thermal efficiency, particulate matter, unburned hydrocarbons, carbon monoxide emissions reduced with incremented concentration of biodiesel in the fuel blends, whereas the categorical fuel consumption, NOx emissions and exhaust gas temperature incremented III.