Process Equipment and Plant Design In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around 2.5 0.5 3.5 1.5 2.5 0.5 3.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ liquor is best handled in a long tube vertical evaporator. Scaling Viscous Foamy Salting Scaling Viscous Foamy Salting ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure? At the outer surface At the inner surface At the mid thickness of the cylindrical wall None of these At the outer surface At the inner surface At the mid thickness of the cylindrical wall None of these 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. 5 20 55 35 5 20 55 35 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 All of these Decrease in gas solubility for absorbers An increase in relatived volatility for rectification columns An increase in liquid viscosity All of these Decrease in gas solubility for absorbers An increase in relatived volatility for rectification columns ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter. 1/20-1/30th 1/2 to 1/4th 1/5-1/10th 1/10-1/15th 1/20-1/30th 1/2 to 1/4th 1/5-1/10th 1/10-1/15th ANSWER DOWNLOAD EXAMIANS APP
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