Chemical Engineering Basics Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Simple cubic Body centred cubic (bcc) Hexagonal close, packed (hcp) Face centred cubic (fcc) Simple cubic Body centred cubic (bcc) Hexagonal close, packed (hcp) Face centred cubic (fcc) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Surface tension is due to the __________ forces. Difference between adhesive & cohesive Viscous Adhesive Cohesive Difference between adhesive & cohesive Viscous Adhesive Cohesive 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 240000 J 30000 J 60000 J 90000 J 240000 J 30000 J 60000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Pressure after compression to that before compression Volume of air in cylinder before compression to that after compression None of these Clearance volume to the volume swept by piston per stroke Pressure after compression to that before compression Volume of air in cylinder before compression to that after compression None of these Clearance volume to the volume swept by piston per stroke ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The best criterion for analysing an economic investment is the Future value method Rate of return criterion Salvage value Present value method Future value method Rate of return criterion Salvage value Present value method ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the most ductile material is Nickel Mild steel Copper Aluminium Nickel Mild steel Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
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