Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/30th 1/50th 1/10th 1/20th 1/30th 1/50th 1/10th 1/20th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 25/NRe f = 16/NRe f = 0.04/NRe0.16 f = 0.22 NRe0.05 f = 25/NRe f = 16/NRe f = 0.04/NRe0.16 f = 0.22 NRe0.05 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dt)/ph (ph - dh)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dt)/ph (ph - dh)/ph (ph - dh)/dh (ph - dh . dt/2)/ph ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the Lower fixed charges for the column Greater cost for the reboiler heat supply All of these Greater cost for the condenser coolant Lower fixed charges for the column Greater cost for the reboiler heat supply All of these Greater cost for the condenser coolant ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for Creating turbulence Increasing pressure drop Fixing the tubes Reducing scale deposition Creating turbulence Increasing pressure drop Fixing the tubes Reducing scale deposition ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In shell and tube heat exchangers, straight tie rods are used to Fix the tubes in position None of these Account for thermal strain Hold baffle in space Fix the tubes in position None of these Account for thermal strain Hold baffle in space ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS