Process Equipment and Plant Design Reflux ratio variation in a distillation column is between Zero and infinity Zero and one None of these Minimum and infinity Zero and infinity Zero and one None of these Minimum and infinity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Larger depth of liquid on the trays of a distillation column Neither A nor B Results in higher pressure drop per tray Both A & B Leads to high tray efficiency Neither A nor B Results in higher pressure drop per tray Both A & B Leads to high tray efficiency 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/L.ρ Z.H.ρ/L H.ρ/L L/Z.H.ρ Z.H/L.ρ Z.H.ρ/L H.ρ/L L/Z.H.ρ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity) E Σ E/σ Σ/E E Σ E/σ Σ/E ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A cylinderical pressure vessel of volume 6 πm³ has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm² and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to 5 mm 8 mm 10 mm 6 mm 5 mm 8 mm 10 mm 6 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, tube side __________ of the mass velocity. Heat transfer co-efficient is proportional to 0.8th power Neither A nor B Pressure drop is proportional to the square Both A & B Heat transfer co-efficient is proportional to 0.8th power Neither A nor B Pressure drop is proportional to the square Both A & B ANSWER DOWNLOAD EXAMIANS APP
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