Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Is economical in operation Both B & C Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Employs high velocity, high heat transfer rate and less heating surface requirement Is economical in operation Both B & C Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Employs high velocity, high heat transfer rate and less heating surface requirement ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Slope of countercurrent flow rotary drier is in the range of __________ meter/metre. 0 to 1.5 0 to 0.08 0 to 0.8 0 to 2.2 0 to 1.5 0 to 0.08 0 to 0.8 0 to 2.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Flooding limit of the column None of these Maximum permissible vapour velocity Total cost consideration (fixed cost of the column plus the cooling water & steam cost) Flooding limit of the column None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter) D 0.75 d 0.5 d 2 d D 0.75 d 0.5 d 2 d ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In distillation columns, bubble caps are held in place over trays by Bolts A hold down bar Rivets Both B and C Bolts A hold down bar Rivets Both B and C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For turbine agitator, the impeller diameter is about 0.3 to 0.5 d 0.65 to 0.85 d 0.1 to 0.2 d 0.95 d 0.3 to 0.5 d 0.65 to 0.85 d 0.1 to 0.2 d 0.95 d ANSWER DOWNLOAD EXAMIANS APP
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