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. None of these NH₃ SO₂ CO₂ None of these NH₃ SO₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called Static submergence None of these Skirt clearance Downcomer liquid seal Static submergence None of these Skirt clearance Downcomer liquid seal ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) Πd/4P² 4P²/πd 4(P² - πd²/4)/πd (P² - πd²/4)/πd Πd/4P² 4P²/πd 4(P² - πd²/4)/πd (P² - πd²/4)/πd 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. 10 to 15 2.5 to 4.0 5 to 10 0.5 to 1.5 10 to 15 2.5 to 4.0 5 to 10 0.5 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Correct use of 'factor of safety' is very important in equipment design. It is defined as the ratio of the Ultimate stress to breaking stress None of these Working stress to ultimate stress Ultimate stress to working stress Ultimate stress to breaking stress None of these Working stress to ultimate stress Ultimate stress to working stress ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 4 43832 2 43834 4 43832 2 43834 ANSWER DOWNLOAD EXAMIANS APP