Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 1.6 √t D = 1.5 t D = 3√t D = 1.1 t D = 1.6 √t D = 1.5 t D = 3√t D = 1.1 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell Decreases upwards May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Remains same throughout Increases upwards Decreases upwards May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Remains same throughout Increases upwards ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The raio, (properller agitator dia/tank dia) is normally taken as 0.15-030 0.75-0.85 0.60-0.90 0.5-0.65 0.15-030 0.75-0.85 0.60-0.90 0.5-0.65 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 or decrease depending on the nature of the dust Increase Remain unaffected Decrease Increase or decrease depending on the nature of the dust Increase Remain unaffected Decrease 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 1/10-1/15th 1/5-1/10th 1/2 to 1/4th 1/20-1/30th 1/10-1/15th 1/5-1/10th 1/2 to 1/4th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head. 3 times the thickness 6% of I.D. Either A or B, whichever is larger Either A or B, whichever is smaller 3 times the thickness 6% of I.D. Either A or B, whichever is larger Either A or B, whichever is smaller ANSWER DOWNLOAD EXAMIANS APP