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An elastomer is a polymeric substance obtained after vulcanization of rubber. Vulcanization is the process of improving the properties of rubber by heating with sulphur. A normal rubber is not useable as it becomes brittle at low temperature and sticky at high temperature. Charles Goodyear had been trying to 'cure' the rubber so that it could be used in all seasons. He tried to mix all kinds of things such as ink, black pepper, cheese and what not. But he couldn't succeed until he dropped a piece of rubber on stove accidentally.
To his surprise, he found that instead of melting the rubber piece hardened and remained pliable. It was found in the lab that it contained traces of sulphur. Goodyear perfected the process and named it 'vulcanization' after the Roman God of fire, 'Vulcan'.
Good evening. I have two homework projects from the Soil Mechanics. I am interesting if anybody can solve them.
A cantilever beam is loaded with a concentrated. Force of 5kN at the free end. The length of the cantilever beam is 1m having cross section of 50×50mm. determine the equation for b
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hi sir. i hope every thing is fine with you. I want to have an information about the way how to compute stream flow from the rainfall over the catchment and anso need the way how t
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the base of an isosceles triangle and the altitude is drawn from one of the congruent sides are equal to 18cm and 15cm , respectively . Find the lenghts of the sides of the triangl
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