Chemical Engineering Basics Which of the following metals reacts violently with water ? Sodium Mercury Magnesium Calcium Sodium Mercury Magnesium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is a boiler accessory i.e., not a boiler mounting ? Feed check valve Feed water pump Blow off cock Stop valve Feed check valve Feed water pump Blow off cock Stop valve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by Increasing the surface area of the electrodes Decreasing the surface area of the electrodes Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The stress at which a metal fails by fatigue lies In the plastic range Near the fracture point of the stress-strain curve In the elastic range None of these In the plastic range Near the fracture point of the stress-strain curve In the elastic range None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The ratio of thermal & electrical conductivity is same for all the metals at the same temperature ; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K) 1/T 1/T² T² T 1/T 1/T² T² T ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Simple cubic Hexagonal close, packed (hcp) Body centred cubic (bcc) Face centred cubic (fcc) Simple cubic Hexagonal close, packed (hcp) Body centred cubic (bcc) Face centred cubic (fcc) ANSWER DOWNLOAD EXAMIANS APP
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