Process Equipment and Plant Design Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height. 88-105 17-34 52-68 43929 88-105 17-34 52-68 43929 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The function of manholes provided in the shell of a distillation column is to 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 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 ANSWER DOWNLOAD EXAMIANS APP
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. 15 to 30 5 to 10 40 to 50 55 to 75 15 to 30 5 to 10 40 to 50 55 to 75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, tube side __________ of the mass velocity. Heat transfer co-efficient is proportional to 0.8th power Both A & B Neither A nor B Pressure drop is proportional to the square Heat transfer co-efficient is proportional to 0.8th power Both A & B Neither A nor B Pressure drop is proportional to the square ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Employs high velocity, high heat transfer rate and less heating surface requirement Is economical in operation Both B & C Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Employs high velocity, high heat transfer rate and less heating surface requirement Is economical in operation Both B & C Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Joint efficiency (J) for a seamless pipe is < 0.5 0.85 1 1.2 < 0.5 0.85 1 1.2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS