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VII - General Science - PaA) Write short note on. (Any two)1) Cement production. |
| Answer» <html><body><p> cement is a binder, a substance <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> for construction that sets, hardens, and adheres to other materials to bind them <a href="https://interviewquestions.tuteehub.com/tag/together-3221943" style="font-weight:bold;" target="_blank" title="Click to know more about TOGETHER">TOGETHER</a>. Cement is seldom used on its own, but <a href="https://interviewquestions.tuteehub.com/tag/rather-2973755" style="font-weight:bold;" target="_blank" title="Click to know more about RATHER">RATHER</a> to bind sand and <a href="https://interviewquestions.tuteehub.com/tag/gravel-1011276" style="font-weight:bold;" target="_blank" title="Click to know more about GRAVEL">GRAVEL</a> (aggregate) together. Cement mixed with fine aggregate produces mortar for masonry, or with sand and gravel, produces concrete. Concrete is the most widely used material in existence and is only behind water as the planet's most-consumed resource.[1]</p><p></p><p>Cements used in construction are usually inorganic, often <a href="https://interviewquestions.tuteehub.com/tag/lime-1073965" style="font-weight:bold;" target="_blank" title="Click to know more about LIME">LIME</a> or calcium silicate based, and can be characterized as either hydraulic or non-hydraulic, depending on the ability of the cement to set in the presence of water (see hydraulic and non-hydraulic lime plaster).</p><p></p><p> </p><p></p></body></html> | |