Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Packed tower Bubble-cap plate column Wetted wall column Seive-plate column Packed tower Bubble-cap plate column Wetted wall column Seive-plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is suitable for the separation of components Having very close boiling points Having very wide boiling points Which form maximum boiling azeotrope Which form minimum boiling azeotrope Having very close boiling points Having very wide boiling points Which form maximum boiling azeotrope Which form minimum boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Decrease Increase Remains same Depend on saturated boiling point; may increase or decrease Decrease Increase Remains same Depend on saturated boiling point; may increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate Constant boiling mixture Mixture with very high relative volatility High boiling mixture Heat sensitive materials Constant boiling mixture Mixture with very high relative volatility High boiling mixture Heat sensitive materials ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method of binary distillation does not assume that the Heat of mixing is negligible None of these Molar latent heats of all components are equal Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible None of these Molar latent heats of all components are equal Sensible heat changes are negligible compared with latent heat changes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat load in a cooling tower Neither A nor B Is equal to the number of kg, of water circulated times the cooling range Both A & B Means the amount of heat thrown away (KCal/hr.) by the cooling tower Neither A nor B Is equal to the number of kg, of water circulated times the cooling range Both A & B Means the amount of heat thrown away (KCal/hr.) by the cooling tower ANSWER DOWNLOAD EXAMIANS APP
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