Chemical Engineering Basics Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is 3CaO . SiO₂ 5CaO . 3 Al2O₃ 3CaO . Al2O₃ 2CaO . SiO₂ 3CaO . SiO₂ 5CaO . 3 Al2O₃ 3CaO . Al2O₃ 2CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Kinematic viscosity of water as compared to that of air is 15% more Same 15% less More 15% more Same 15% less More ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Steel produced from phosphatic iron is __________ in nature. Tough Brittle Ductile Malleable Tough Brittle Ductile Malleable ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxyacetylene reducing flame is used while carrying out welding on Mild steel Grey cast iron High carbon steel Alloy steel Mild steel Grey cast iron High carbon steel Alloy steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Austempering of steel requires.it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to Sorbite Bainite Troostite Martensite Sorbite Bainite Troostite Martensite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Isotropic materials have the same __________ in all directions. Induced stresses Density Elastic properties Thermal properties Induced stresses Density Elastic properties Thermal properties ANSWER DOWNLOAD EXAMIANS APP
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