Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by No relation exists σh = 2 σL σh = σL/2 σh = σL No relation exists σh = 2 σL σh = σL/2 σh = σL ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability. 2 15 10 5 2 15 10 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 1.6 to 2 2.2 to 2.6 1.1 to 1.5 2.7 to 3 1.6 to 2 2.2 to 2.6 1.1 to 1.5 2.7 to 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering branch) would be More than that for Tee (used as elbow, entering run) Around 90 Both B and C Less than that for Tee (used as elbow, entering run) More than that for Tee (used as elbow, entering run) Around 90 Both B and C Less than that for Tee (used as elbow, entering run) 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. 1/5-1/10th 1/20-1/30th 1/10-1/15th 1/2 to 1/4th 1/5-1/10th 1/20-1/30th 1/10-1/15th 1/2 to 1/4th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Scale up problem in design based on the similarity concept takes into account __________ similarity. Kinematic Geometrical All of these Dynamic Kinematic Geometrical All of these Dynamic ANSWER DOWNLOAD EXAMIANS APP