Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively < 1 and ≈ 1 >1 and ≈ 1 0 and ≈ 1 1 and 0 < 1 and ≈ 1 >1 and ≈ 1 0 and ≈ 1 1 and 0 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation. Higher than Either A or B, depends on the mixture composition Lower than Equal to Higher than Either A or B, depends on the mixture composition Lower than Equal to ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Priming in a distillation column Reduces the overall pressure drop Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Results from very low gas velocity Reduces the overall pressure drop Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Results from very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular distillation is Very low pressure distillation Both B and C For heat-sensitive materials High temperature distillation Very low pressure distillation Both B and C For heat-sensitive materials High temperature distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Parallel Neither A nor B Straight Both A & B Parallel Neither A nor B Straight Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Critical humidity of a solid salt means the humidity Above which it will always become damp Above Which it will always become dry and below which it will always stay damp Both A and B Below which it will always stay dry Above which it will always become damp Above Which it will always become dry and below which it will always stay damp Both A and B Below which it will always stay dry ANSWER DOWNLOAD EXAMIANS APP
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