Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 35 20 55 5 35 20 55 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of linear stress to linear strain is termed as the Modulus of rigidity Modulus of elasticity Bulk modulus None of these Modulus of rigidity Modulus of elasticity Bulk modulus None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A/an __________ is used for changing the direction of a pipeline. Elbow Union Flange Disc compensator Elbow Union Flange Disc compensator ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 5 2.5 12.5 17.5 5 2.5 12.5 17.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation Does not affect the capacity Both B & C Increases economy Increases capacity Does not affect the capacity Both B & C Increases economy Increases capacity ANSWER DOWNLOAD EXAMIANS APP
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