Process Equipment and Plant Design Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower. 15-20 10-12.5 5-7.5 2.5-3.0 15-20 10-12.5 5-7.5 2.5-3.0 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube height in a calendria type evaporator is normally less than __________ metres. 3.5 5.5 2 1 3.5 5.5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm. 0.1 to 2 5 to 7 8 to 15 3 to 8 0.1 to 2 5 to 7 8 to 15 3 to 8 ANSWER DOWNLOAD EXAMIANS APP
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. 20 5 55 35 20 5 55 35 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The maximum liquid gradient over a tray must not exceed 0.5" -1.25" 5" 2"-3.5" Half the tray spacing 0.5" -1.25" 5" 2"-3.5" Half the tray spacing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by An increase in liquid viscosity Decrease in gas solubility for absorbers An increase in relatived volatility for rectification columns All of these An increase in liquid viscosity Decrease in gas solubility for absorbers An increase in relatived volatility for rectification columns All of these ANSWER DOWNLOAD EXAMIANS APP
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