Process Equipment and Plant Design Cooling water fouling factors vary in the range of 0.001 to 0.003 (BTU/hr.ft² . °F)⁻¹ (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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between __________ times the tank diameter. 4 to 5 1 to 1.5 6 to 8 2.5 to 3.5 4 to 5 1 to 1.5 6 to 8 2.5 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of 20.2 2 20.8 None of these 20.2 2 20.8 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles may be eliminated for High viscosity liquids (> 600 poise) None of these Low viscosity liquids (< 200 poise) Large diameter tanks High viscosity liquids (> 600 poise) None of these Low viscosity liquids (< 200 poise) Large diameter tanks ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is > 7 < 15 < 30 < 7 > 20 < 50 > 7 < 15 < 30 < 7 > 20 < 50 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Weep holes provided in the plates of a distillation column Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid Facilitate draining out liquid from a tray when the unit is not in operation Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation All of these Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid Facilitate draining out liquid from a tray when the unit is not in operation Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation All of these ANSWER DOWNLOAD EXAMIANS APP