Chemical Engineering Basics The best criterion for analysing an economic investment is the Present value method Rate of return criterion Future value method Salvage value Present value method Rate of return criterion Future value method Salvage value ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Tempering of a material does not improve its Softness Machinability Internal stress level Toughness Softness Machinability Internal stress level Toughness ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. None of these Shows inversion of solubility Decreases Increases None of these Shows inversion of solubility Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In a casting, cold shut defect is caused by Low pounhg temperature Faulty gating system Melt-mould reactions Very low mould permeability Low pounhg temperature Faulty gating system Melt-mould reactions Very low mould permeability ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which one is neutral in character ? N₂O₄ N₂O₅ N₂O N₂O₃ N₂O₄ N₂O₅ N₂O N₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The main function of the deaerator used in the thermal power plant is to Remove dissolved gases from feed-water Remove non-condensable gases from condenser Throttle down the steam pressure Enhance feed water temperature Remove dissolved gases from feed-water Remove non-condensable gases from condenser Throttle down the steam pressure Enhance feed water temperature ANSWER DOWNLOAD EXAMIANS APP
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