Process Equipment and Plant Design In a vertical short tube evaporator (Calendria type), the Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube Liquor is inside the tube while the steam is outside the tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used All of these Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube Liquor is inside the tube while the steam is outside the tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Apex angle of conical heads used in the bottom heads of chemical process equipments is usually 60° 30° 45° 75° 60° 30° 45° 75° ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The necessary wall thickness for a metallic storage vessel is a function of the Ultimate tensile strength (or yield point) of the material and operating temperature Operating pressure and welding/joint efficiency Diameter of the vessel All of these Ultimate tensile strength (or yield point) of the material and operating temperature Operating pressure and welding/joint efficiency Diameter of the vessel All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The function of manholes provided in the shell of a distillation column is to Keep a check on the liquid gradient over the plate by direct visual observation Guard against foaming & entrainment by dumping antifoaming agent through it All of these Give access to the individual trays for cleaning, maintenance and installation Keep a check on the liquid gradient over the plate by direct visual observation Guard against foaming & entrainment by dumping antifoaming agent through it All of these Give access to the individual trays for cleaning, maintenance and installation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column. 250 to 500 100 to 150 600 to 700 50 to 100 250 to 500 100 to 150 600 to 700 50 to 100 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. 2 ft irrespective of (for column > 3 ft diameter) Twice Equal to 0.6-0.8 times 2 ft irrespective of (for column > 3 ft diameter) Twice Equal to 0.6-0.8 times ANSWER DOWNLOAD EXAMIANS APP
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