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 5CaO . 3 Al2O₃ 3CaO . SiO₂ 3CaO . Al2O₃ 2CaO . SiO₂ 5CaO . 3 Al2O₃ 3CaO . SiO₂ 3CaO . Al2O₃ 2CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Martensite formation Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc Retained austenite Martensite formation Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc Retained austenite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/seC₂ is 9.81 10.88 0.95 8.82 9.81 10.88 0.95 8.82 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following metals reacts violently with water ? Calcium Sodium Magnesium Mercury Calcium Sodium Magnesium Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ? Forgings like can shaft, structural steel plate, threading dies and drawing dies Small punches, broaches reamers and springs Mandrels, twist drills, small lathe tools and razors Cutlery, screws, rivets and files Forgings like can shaft, structural steel plate, threading dies and drawing dies Small punches, broaches reamers and springs Mandrels, twist drills, small lathe tools and razors Cutlery, screws, rivets and files ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as Gr0.33, Gr0.25 Gr0.25, Gr0.33 Gr0.25, Gr Gr, Gr0.25 Gr0.33, Gr0.25 Gr0.25, Gr0.33 Gr0.25, Gr Gr, Gr0.25 ANSWER DOWNLOAD EXAMIANS APP
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