Mass Transfer During drying operation, it is easier to remove the __________ moisture. Unbound Critical Equilibrium Bound Unbound Critical Equilibrium Bound ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 1.25 0.0025 2.5 0.25 1.25 0.0025 2.5 0.25 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 1500 2500 1000 2000 1500 2500 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The critical moisture content in case of drying indicates the __________ rate period. End of falling Beginning of falling None of these Beginning of constant End of falling Beginning of falling None of these Beginning of constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with Minimum reflux ratio No reflux Zero reflux ratio Total reflux Minimum reflux ratio No reflux Zero reflux ratio Total reflux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. May increase or decrease, depends on the system Increases Decreases Remains unchanged May increase or decrease, depends on the system Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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