Hearing loss is a measure of shift in auditory system compared to that of normal ear for detection of a pure tone. The huge scale of human population suffers from hearing loss. Three hypotheses were made in the study & hypothesis was done using ANOVAs co-relation test and chi square by IBM-SPSS software. Primary data was collected and analyzed using statistical and research tools. A questionnaire is investing their money in different investment avenues, like shares, banks, insurance, government securities, Gold and so on. A survey is being conducted and applied in the studies. We also see that what are the various reason that influence investors make wrong investment decisions, or errors in their investment decision. Public sector institutions, companies and governments obtain funds for further growth of the company after the sale of their securities or bonds in primary market. Primary market is the part of capital market where issue of new securities takes place. In this paper, we are going to see the investment pattern, personal factors of investor towards investment decision making in primary market with reference to capital market in Aurangabad. So therefore it is necessary that investor should be rational (aware) about the market and its current position and according to it take a right decision and invest in proper investment avenues. Due to which they have to suffer a huge loss. But sometimes investor makes mistake in choosing their investment avenues and makes wrong decision. In today‟s modern period every person want to earn extra income for which they invest their money or saving in different investment instrument and make profit from it. Secondly it also shows that certain high stresses are generated near knuckle joints and this result are helpful for further analysis of Headstock for reducing the stresses, increasing life and reliability of headstock. This proves that the FEA software results are correct. The stress results by theoretical calculations and FEA software are validated. The diameter of pin is proposed to be around 30 mm. The force applied knuckle joint is 50 KN. Now, these results are validated by theoretical calculations available for knuckle joint. The Analytical solution of knuckle joint is found out using standard calculations. The FEA Analysis of Knuckle joint is done and various shear and tensile stresses results are plotted. Hence in order to find stresses in headstock, one must find out stresses in knuckle joint. It experiences maximum shear and tensile stresses due to heavy weight of Headstock. Knuckle joint is a major component of Headstock of sugar mill which is used to two rods between each other. However the entire assemble is manufactured using casting, and typically these brittle materials have a high chance of failure if there is a stress concentration as certain locations. Knuckle joint is a joint between two parts allowing movement in one plane only. Sugarcane crushing is carried out in sugar mills with large capacity rollers mounted on shafts and this complete assembly called as Headstock. Sugarcane crushing is an important activity and maximum insistence nowadays is on speed, maximum extraction without losses, and easy collection of residual material which can be used as organic compost.
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