Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 12.5 30.5 5.5 45.5 12.5 30.5 5.5 45.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally. Same Unpredictable Higher Lower Same Unpredictable Higher Lower ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A stuffing box is used for Prevention of fluid leakage around moving parts Absorbing the contraction/expansion of pipeline due to temperature changes Facilitating smooth opening and closing of a valve Reducing the resistance of fluid flow Prevention of fluid leakage around moving parts Absorbing the contraction/expansion of pipeline due to temperature changes Facilitating smooth opening and closing of a valve Reducing the resistance of fluid flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area. 2.5 to 4.0 0.5 to 1.5 5 to 10 10 to 15 2.5 to 4.0 0.5 to 1.5 5 to 10 10 to 15 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 8 mm 6 mm 10 mm 5 mm 8 mm 6 mm 10 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing. 43835 20-40 100-150 1000-1500 43835 20-40 100-150 1000-1500 ANSWER DOWNLOAD EXAMIANS APP