Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Flow at a very slow velocity Perferably flow outside the tube Preferably flow inside the tube for its easier internal cleaning Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Flow at a very slow velocity Perferably flow outside the tube Preferably flow inside the tube for its easier internal cleaning Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Decrease the pressure drop Facilitate handling of large flow rate of liquid Increase the residence time Improve the flow condition Decrease the pressure drop Facilitate handling of large flow rate of liquid Increase the residence time Improve the flow condition ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube? Short tube vertical evaporator None of these Horizontal tube evaporator Long tube vertical evaporator Short tube vertical evaporator None of these Horizontal tube evaporator Long tube vertical evaporator ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. 1.25-1.50 times One-fourth of Less than 2.5 times 1.25-1.50 times One-fourth of Less than 2.5 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering branch) would be Less than that for Tee (used as elbow, entering run) Around 90 Both B and C More than that for Tee (used as elbow, entering run) Less than that for Tee (used as elbow, entering run) Around 90 Both B and C More than that for Tee (used as elbow, entering run) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? (0.8)0.5 1 0.8 0.9 (0.8)0.5 1 0.8 0.9 ANSWER DOWNLOAD EXAMIANS APP
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