Process Equipment and Plant Design Cooling water fouling factors vary in the range of 0.001 to 0.003 (kcal/hr.m² .°C)⁻¹ (W/m².°K)⁻¹ (kcal/hr. m. °C)⁻¹ (BTU/hr.ft² . °F)⁻¹ (kcal/hr.m² .°C)⁻¹ (W/m².°K)⁻¹ (kcal/hr. m. °C)⁻¹ (BTU/hr.ft² . °F)⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by Di, opt = 7.6 Q0.36 . ρ0.9 Di, opt = 3.9 Q0.45 . ρ0.23 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 Di, opt = 3 Q0.36 ρ0.18 Di, opt = 7.6 Q0.36 . ρ0.9 Di, opt = 3.9 Q0.45 . ρ0.23 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 Di, opt = 3 Q0.36 ρ0.18 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 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) Less than that for fluid flow Same as that for fluid flow More than that for fluid flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure drop per tray in the atmospheric distillation column is about __________ psi. 0.07 - 0.12 43833 0.01 - 0.5 0.5 - 1.0 0.07 - 0.12 43833 0.01 - 0.5 0.5 - 1.0 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The dust collection efficiency of a cyclone separator None of these Decreases with increase in gas flow rate Is inversely proportional to the mass of the dust particle Is directly proportional to the radius of the dust particle path None of these Decreases with increase in gas flow rate Is inversely proportional to the mass of the dust particle Is directly proportional to the radius of the dust particle path ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Length to diameter ratio of most rotary driers is in the range of 1 to 2 10 to 20 4 to 10 20 to 30 1 to 2 10 to 20 4 to 10 20 to 30 ANSWER DOWNLOAD EXAMIANS APP
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