Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 100 10 10000 1000 100 10 10000 1000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Decreases & increases Increases & increases Increases & decreases Decreases & decreases Decreases & increases Increases & increases Increases & decreases Decreases & decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Blast furnace slag is mainly molten Sand Iron pyrite Calcium silicate Magnesium silicate Sand Iron pyrite Calcium silicate Magnesium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Super conduction in metals is observed at a temperature of __________ °K. >100 About 373 About 273 >100 About 373 About 273 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 240000 J 90000 J 30000 J 60000 J 240000 J 90000 J 30000 J 60000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by Increasing the concentration of copper sulphate solution Increasing the concentration of zinc sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes Increasing the concentration of copper sulphate solution Increasing the concentration of zinc sulphate solution Increasing the surface area of the electrodes Decreasing the surface area of the electrodes ANSWER DOWNLOAD EXAMIANS APP
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