Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Powder metallurgy Forging None of these Casting Powder metallurgy Forging None of these Casting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the most important element, which controls the physical properties of steel. Carbon Silicon Vanadium Manganese Carbon Silicon Vanadium Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Convection Conduction Nucleate boiling Radiation Convection Conduction Nucleate boiling Radiation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics With increase in steam pressure, its specific volume decreases Exponentially Rapidly first and then slowly Slowly first and then rapidly Linearly Exponentially Rapidly first and then slowly Slowly first and then rapidly Linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Isotropic materials have the same __________ in all directions. Induced stresses Thermal properties Density Elastic properties Induced stresses Thermal properties Density Elastic properties 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 60000 J 240000 J 30000 J 90000 J 60000 J 240000 J 30000 J 90000 J ANSWER DOWNLOAD EXAMIANS APP
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