Process Equipment and Plant Design For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by(where, Q = fluid flow rate, ft³/sec.ρ = fluid density, lb/ft³ μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches) Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 ρ0.13 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube? None of these Long tube vertical evaporator Horizontal tube evaporator Short tube vertical evaporator None of these Long tube vertical evaporator Horizontal tube evaporator Short tube vertical evaporator 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 None of these 2 20.8 20.2 None of these 2 20.8 20.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Accidents in chemical plants are mostly due to Failure of equipments Improper layout of the equipments Faulty operating procedures Inadequate equipment design Failure of equipments Improper layout of the equipments Faulty operating procedures Inadequate equipment design ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Cross-partition rings All of these Raschig rings Lessig rings Cross-partition rings All of these Raschig rings Lessig rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Excessive liquid gradient on a tray may result in the All of these Maldistribution of gas Back trapping Gas blowing beneath cap skit All of these Maldistribution of gas Back trapping Gas blowing beneath cap skit ANSWER DOWNLOAD EXAMIANS APP