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 . Al2O₃ 3CaO . SiO₂ 5CaO . 3 Al2O₃ 2CaO . SiO₂ 3CaO . Al2O₃ 3CaO . SiO₂ 5CaO . 3 Al2O₃ 2CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Forging Powder metallurgy None of these Casting Forging Powder metallurgy None of these Casting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following phenomenon/ phenomena is/are diffusion controlled ? Cross-slip Recrystallisation Twinning Dislocation climb Cross-slip Recrystallisation Twinning Dislocation climb ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals is the most prone to work hardening? Brass Copper Lead Aluminium Brass Copper Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Powder metallurgy process does not make metal powder by Grinding/milling Electrolytic deposition Hammering Atomisation Grinding/milling Electrolytic deposition Hammering Atomisation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system. Pulverised fuel Travelling grate stoker firing Fluidised bed Circulating fluidised bed Pulverised fuel Travelling grate stoker firing Fluidised bed Circulating fluidised bed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS