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 2CaO . SiO₂ 5CaO . 3 Al2O₃ 3CaO . Al2O₃ 3CaO . SiO₂ 2CaO . SiO₂ 5CaO . 3 Al2O₃ 3CaO . Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Buoyancy force depends on the __________ the liquid. Viscosity of Displaced mass of Surface tension of Depth of immersion in Viscosity of Displaced mass of Surface tension of Depth of immersion in ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Paint spray gun works on the principle of Bernoulli's theorem None of these Boyle's law Newton's law of viscosity Bernoulli's theorem None of these Boyle's law Newton's law of viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Its low unit weight per ton of refrigeration Low temperature encountered at high altitude Its higher co-efficient of performance (COP) Its high heat transfer rate Its low unit weight per ton of refrigeration Low temperature encountered at high altitude Its higher co-efficient of performance (COP) Its high heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 100 1000 10000 10 100 1000 10000 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity. 50 100 None of these 50 100 None of these ANSWER DOWNLOAD EXAMIANS APP
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