Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 71 min 15 min 94 min 51 min 71 min 15 min 94 min 51 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Paper industry employs __________ driers. Fluidised bed Cylinder Spray Rotary Fluidised bed Cylinder Spray Rotary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular distillation is High temperature distillation Very low pressure distillation For heat-sensitive materials Both B and C High temperature distillation Very low pressure distillation For heat-sensitive materials Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Enthalpy concentration method Plate absorption column McCabe-Thiele method Ponchan-Savarit method Enthalpy concentration method Plate absorption column McCabe-Thiele method Ponchan-Savarit method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following solutions will follow Raoult's law most closely? A solution of benzene, toluene and oxylene A solution of polar organic compounds (not of homologs of a series) 35% solution of NH₃ in water 35% solution of camphor in water A solution of benzene, toluene and oxylene A solution of polar organic compounds (not of homologs of a series) 35% solution of NH₃ in water 35% solution of camphor in water ANSWER DOWNLOAD EXAMIANS APP
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