Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to I.D. of the shell 40% of the I.D. of the shell 5 cms 25 cms I.D. of the shell 40% of the I.D. of the shell 5 cms 25 cms ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The most common standard size of bubble caps used in industrial operation is 1" dia cap with 0.5" dia riser 6" dia cap with 4" dia riser 8" dia cap with 1" dia riser 4" dia cap with 8" dia riser 1" dia cap with 0.5" dia riser 6" dia cap with 4" dia riser 8" dia cap with 1" dia riser 4" dia cap with 8" dia riser ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be Less than that for fluid flow Same as that for fluid flow More than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Less than that for fluid flow Same as that for fluid flow More than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) ANSWER DOWNLOAD EXAMIANS APP
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 σh = σL σh = σL/2 No relation exists σh = 2 σL σh = σL σh = σL/2 No relation exists σh = 2 σL ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The normal range of velocity of water in pipes is __________ m/sec. 0.1-0.5 15-30 1-2 10-50 0.1-0.5 15-30 1-2 10-50 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a vertical short tube evaporator (Calendria type), the Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used Liquor is inside the tube while the steam is outside the tube All of these Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used Liquor is inside the tube while the steam is outside the tube All of these Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube ANSWER DOWNLOAD EXAMIANS APP