Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? All of these Raschig rings Lessig rings Cross-partition rings All of these Raschig rings Lessig rings Cross-partition rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will Increase Increase or decrease depending on the nature of the dust Decrease Remain unaffected Increase Increase or decrease depending on the nature of the dust Decrease Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around 0.4-0.6 0.35-0.75 0.55-0.85 0.1-0.2 0.4-0.6 0.35-0.75 0.55-0.85 0.1-0.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 43834 2 4 43832 43834 2 4 43832 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffle spacing is generally __________ the I.D. of the shell. Not less than one fifth of Not greater than Both B and C More than Not less than one fifth of Not greater than Both B and C More than ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always Less than arithmetic mean value More than geometric mean value Both B & C More than arithmetic mean value Less than arithmetic mean value More than geometric mean value Both B & C More than arithmetic mean value ANSWER DOWNLOAD EXAMIANS APP