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 Vertical condenser is advantageous to the horizontal condenser from operation point of view, when Only the function of condensation is to be carried out Hydrostatic head is required for refluxing the condensate Sub cooling of condensate is desired Both the functions of condensation & sub cooling are carried out in a single unit Only the function of condensation is to be carried out Hydrostatic head is required for refluxing the condensate Sub cooling of condensate is desired Both the functions of condensation & sub cooling are carried out in a single unit ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity) Σ Σ/E E E/σ Σ Σ/E E E/σ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/20th 1/10th 1/50th 1/30th 1/20th 1/10th 1/50th 1/30th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre. 0.4-0.9 1.2-1.5 0.1-0.2 0.2-0.5 0.4-0.9 1.2-1.5 0.1-0.2 0.2-0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Nominal size of a pipe is an indication of its __________ diameter. None of these Inner Approximate Outer None of these Inner Approximate Outer ANSWER DOWNLOAD EXAMIANS APP