Process Equipment and Plant Design Vertical condenser is advantageous to the horizontal condenser from operation point of view, when Hydrostatic head is required for refluxing the condensate Sub cooling of condensate is desired Only the function of condensation is to be carried out Both the functions of condensation & sub cooling are carried out in a single unit Hydrostatic head is required for refluxing the condensate Sub cooling of condensate is desired Only the function of condensation is to be carried out Both the functions of condensation & sub cooling are carried out in a single unit ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.) Z.H.ρ/L L/Z.H.ρ H.ρ/L Z.H/L.ρ Z.H.ρ/L L/Z.H.ρ H.ρ/L Z.H/L.ρ 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 No relation exists σh = 2 σL σh = σL/2 σh = σL No relation exists σh = 2 σL σh = σL/2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) (P² - πd²/4)/πd 4(P² - πd²/4)/πd Πd/4P² 4P²/πd (P² - πd²/4)/πd 4(P² - πd²/4)/πd Πd/4P² 4P²/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Is economical in operation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The buckling tendency of compression members is always in the direction of the Least radius of gyration None of these Perpendicular to the axis of the load Axis of the load Least radius of gyration None of these Perpendicular to the axis of the load Axis of the load ANSWER DOWNLOAD EXAMIANS APP
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