Process Equipment and Plant Design Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling. NH₃ None of these CO₂ SO₂ NH₃ None of these CO₂ SO₂ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by An increase in relatived volatility for rectification columns All of these An increase in liquid viscosity Decrease in gas solubility for absorbers An increase in relatived volatility for rectification columns All of these An increase in liquid viscosity Decrease in gas solubility for absorbers ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids. 38 19 28 16 38 19 28 16 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The distance between the centre of a rivet hole to the nearest edge of the plate is called Margin Pitch Back pitch None of these Margin Pitch Back pitch None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 2.5 1.25 3.5 1.75 2.5 1.25 3.5 1.75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ is the determining factor for the number of bubble caps to be used per tray. Liquid load Vapor load Permissible slot velocity Tray diameter Liquid load Vapor load Permissible slot velocity Tray diameter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS