Chemical Engineering Basics Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Simple cubic Face centred cubic (fcc) Body centred cubic (bcc) Hexagonal close, packed (hcp) Simple cubic Face centred cubic (fcc) Body centred cubic (bcc) Hexagonal close, packed (hcp) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of 0.044444444444444 0.084027777777778 0.043055555555556 0.042361111111111 0.044444444444444 0.084027777777778 0.043055555555556 0.042361111111111 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Limestone addition in the blast furnace is done to flux __________ present in the raw materials. SiO₂ MnO₂ Al2O₃ P SiO₂ MnO₂ Al2O₃ P ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not used as a fuel in rocket propellaht ? Liquid hydrogen Liquid oxygen Liquid hydrazine Kerosene oil Liquid hydrogen Liquid oxygen Liquid hydrazine Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be 90000 J 60000 J 240000 J 30000 J 90000 J 60000 J 240000 J 30000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lime contains about 90% CaO. Percentage CaO present in limestone is about 25 50 80 70 25 50 80 70 ANSWER DOWNLOAD EXAMIANS APP
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