Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 1.2 to 1.5 5 3 to 4 2.5 to 3 1.2 to 1.5 5 3 to 4 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 2000 1000 2500 1500 2000 1000 2500 1500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Of high viscosity to give high tray efficiency Present in overhead stream Of high volatility Added to alter the relative volatility of the mixture Of high viscosity to give high tray efficiency Present in overhead stream Of high volatility Added to alter the relative volatility of the mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement. Marginal decrease in the number of Major decrease in the number of None of the listed here No change in theoretical Marginal decrease in the number of Major decrease in the number of None of the listed here No change in theoretical ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A good solvent used for absorption should not have very high Vapor pressure Freezing point All of these Viscosity Vapor pressure Freezing point All of these Viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the feed to a distillation column is a saturated liquid, slope of the feed line is None of these Unity Infinity Zero None of these Unity Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
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