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Nickel coated short carbon fiber reinforced polyester composite were made-up by using open moulding technique. Using the stir casting technique different weight percentages of nickel coated short carbon fiber (NCF) such as 0 wt%, 0.05 wt%, 0.1 wt% and 0.2 wt% is mixed with polyester, hardener and accelerator to fabricate the composite. Tensile and impact strength of fabricated composites was performed according to the ASTM Standards. The higher weight percentage of nickel coated short carbon reinforced composites enhanced better impact and tensile strength. The fractured surface is analysed using SEM.

The requirements for leading a proficient life is challenging for the rapid development of industries and they partially fulfil their tasks since many factors are not overcome by them successfully and one of that is safe disposal and utilization of waste generating at the end. All countries produces an enormous amount of different types of waste materials as by products from different sectors like industrial, agricultural etc. These waste materials if not deposited safely it may be hazardous. Also it is seen that for manufacturing of cement required huge amount of energy, causes releasing of huge CO2 in atmosphere resulting formation of environmental problems. So it is very important to use of industrial waste in construction industry especially for replacement of the cement in some proportion. Intension of this study is to inspect the performance of concrete by substituting cement by red mud. In this work, cement was partly replaced by red mud (RM) in different percentages (0%, 2%, 4%, 6%, 8%, 10%, 12%, 14%, 16%, 18% and 20%), with 0.44 water cement (W.C) ratio with reference of Indian standard (IS) 10262:2019 guidelines, M30 grade concrete were prepared. Flow properties and strength properties like flexural, compressive, split tensile strength and chloride permeability tests were tested for 28 days on concrete with various mix proportions and test results were correlate with results of reference concrete. The study reveals that, partly replacing of 12% factory cement by red mud (RM) yields maximum strength, superior chloride permeability with better micro structure than conventional concrete.

Huge amount of E waste creates serious problem in all over the country. Recycle percentage of E waste is only 12.5. Due to limited natural resources, from printed circuit boards E-waste similar non-metal parts can be recuperated and mixed as an concrete constituent. So in various experiments E waste were used as replacement of fine and course aggregate. Utilizing E waste as ingredient of concrete reduces the use of natural ingredients as well as reduces the land fill using E waste and provide smart impact on environmental problems. Generation of the E-waste and use of concrete is rapidly increasing to meet the technological advancement and demand. Intension of this study is to inspect the performance of concrete by substituting manufactured sand by E- waste. In this research work, manufactured fine aggregate (M−sand) was partly replaced by E waste (E-sand) in different percentages (0%, 10%, 20%, 30% and 40%), with 0.45 water cement (W.C) ratio. With reference of Indian standard (IS) 10262:2019 guidelines, M30 grade concrete were prepared. The flexural, compressive, split tensile strength and chloride permeability tests were performed on concrete with various mix proportions and test results were correlate with results of reference concrete. The study reveals that, partly replacing of 20% factory-made sand (M- sand) by E waste (E- sand) yields maximum strength, better chloride permeability with improved micro structure than conventional concrete.

Though there are various types of multipliers presently, although fractional multipliers effectively planned through making a few sections working in equal, the structure of halfway convey spare multipliers is additionally testing. Earlier methodologies proposed a few arrangements using booth recoding with radix-4. The present system forms it conceivable to decrease the stature considerably, which is the utmost broad choice while planning, just simple products recommended. Bigger values of radix in addition decreases to the detriment in presence of products. So as to relieve the deferral, from the former studies, initially recommended to detach calculation utilizing the accessible leeway. Normally in binary multiplication and operation is used for partial products of multiplier and multiplicand. In case of Booth Multiplier the multiples are encoded. For n bit by n-bit multiplication, n/2 partial products are obtained for radix 4 and n/3 for radix-8. Thinking about this, encoding method is implemented so that partial products are reduced. In the proposed methodology we will use modified carry skip adder for high speed operation.