Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/10th 1/20th 1/50th 1/30th 1/10th 1/20th 1/50th 1/30th 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 Increases economy Increases capacity Does not affect the capacity Both B & C Increases economy Increases capacity Does not affect the capacity Both B & C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally. Same Lower Unpredictable Higher Same Lower Unpredictable Higher ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is Minimum 0 ∞ 1 Minimum 0 ∞ 1 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 2.2 0 to 0.8 0 to 1.5 0 to 0.08 0 to 2.2 0 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT Decreases very rapidly Remains constant Increases linearly Increases very rapidly Decreases very rapidly Remains constant Increases linearly Increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
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