Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 40 to 50 5 to 10 55 to 75 15 to 30 40 to 50 5 to 10 55 to 75 15 to 30 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 working stress Working stress to ultimate stress Ultimate stress to breaking stress None of these Ultimate stress to working stress Working stress to ultimate stress Ultimate stress to breaking stress None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter. 1/10-1/15th 1/2 to 1/4th 1/5-1/10th 1/20-1/30th 1/10-1/15th 1/2 to 1/4th 1/5-1/10th 1/20-1/30th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design High pressure fluid in a shell and tube heat exchanger should preferably be routed through the Shell side for smaller total pressure drop Shell side for large overall heat transfer co-efficient Shell side, if the flow is counter-current and tube side if the flow is co-current Tubes to avoid the expansion of high pressure shell construction Shell side for smaller total pressure drop Shell side for large overall heat transfer co-efficient Shell side, if the flow is counter-current and tube side if the flow is co-current Tubes to avoid the expansion of high pressure shell construction ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Reflux ratio variation in a distillation column is between Zero and infinity None of these Zero and one Minimum and infinity Zero and infinity None of these Zero and one Minimum and infinity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower? All of these Fluid flow rates Size, shape, orientation and surface of the packing particles Density and viscosity of fluids All of these Fluid flow rates Size, shape, orientation and surface of the packing particles Density and viscosity of fluids ANSWER DOWNLOAD EXAMIANS APP