Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from 4 to 8 3 to 5 2 to 3 6 to 12 4 to 8 3 to 5 2 to 3 6 to 12 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. 1/10-1/15th 1/2 to 1/4th 1/20-1/30th 1/5-1/10th 1/10-1/15th 1/2 to 1/4th 1/20-1/30th 1/5-1/10th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of Reduction of discontinuity in shape at the junction Preventing the local overstressing of the shell around the opening Making the joint leak proof None of these Reduction of discontinuity in shape at the junction Preventing the local overstressing of the shell around the opening Making the joint leak proof None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles may be eliminated for High viscosity liquids (> 600 poise) Large diameter tanks Low viscosity liquids (< 200 poise) None of these High viscosity liquids (> 600 poise) Large diameter tanks Low viscosity liquids (< 200 poise) None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 30.5 12.5 5.5 45.5 30.5 12.5 5.5 45.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate? Heat transfer rate is independent of tube arrangement Triangular pitch Diagonal square pitch Square pitch Heat transfer rate is independent of tube arrangement Triangular pitch Diagonal square pitch Square pitch ANSWER DOWNLOAD EXAMIANS APP
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