Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation columns, the number of bubble caps per tray primarily depends upon the Allowable liquid velocity Allowable gas and liquid velocities Feed composition Allowable gas velocity Allowable liquid velocity Allowable gas and liquid velocities Feed composition Allowable gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-9 cm/sec 10-4 cm²/seC₂ 10-1 cm²/sec 10-3 sec/cm 10-9 cm/sec 10-4 cm²/seC₂ 10-1 cm²/sec 10-3 sec/cm ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusion co-efficient increases with increase in the Both Pressure & Temperature Temperature None of the listed here Pressure Both Pressure & Temperature Temperature None of the listed here Pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following equipments is not used for gas dispersion? Spray towers Agitated vessels Perforated sieve tray towers Bubble cap tray towers Spray towers Agitated vessels Perforated sieve tray towers Bubble cap tray towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency May increase or decrease ; depends on individual design Remains same Increases Decreases May increase or decrease ; depends on individual design Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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