Process Equipment and Plant Design Back-trapping in a distillation column results due to Excessive liquid gradient over the tray High gas velocity Low reflux ratio Low gas velocity Excessive liquid gradient over the tray High gas velocity Low reflux ratio Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law. Negative No None of these Positive Negative No None of these Positive ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ). 1/D 1/D² D² 1/D⁵ 1/D 1/D² D² 1/D⁵ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 1.6 √t D = 1.5 t D = 1.1 t D = 3√t D = 1.6 √t D = 1.5 t D = 1.1 t D = 3√t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the Total cost consideration (fixed cost of the column plus the cooling water & steam cost) None of these Flooding limit of the column Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) None of these Flooding limit of the column Maximum permissible vapour velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a basket type evaporator. Downtake is formed by the annular space between the bundle and the shell The tube bundle is suspended on bracket It is used for high viscosity liquor having large rate of scaling There is no central downtake Downtake is formed by the annular space between the bundle and the shell The tube bundle is suspended on bracket It is used for high viscosity liquor having large rate of scaling There is no central downtake ANSWER DOWNLOAD EXAMIANS APP
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