Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Increase by 1.8 Decrease by 22 Increase by 21.6 None of these Increase by 1.8 Decrease by 22 Increase by 21.6 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor. 43961 30-35 35-40 15-20 43961 30-35 35-40 15-20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a thin cylindrical shell, the hoop stress is __________ stress. Compressive Circumferential tensile Longitudinal Radial Compressive Circumferential tensile Longitudinal Radial ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes Are less prone to fouling Are easier to clean Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less None of these Are less prone to fouling Are easier to clean Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Length to diameter ratio of most rotary driers is in the range of 20 to 30 4 to 10 1 to 2 10 to 20 20 to 30 4 to 10 1 to 2 10 to 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 1 80 180 8 1 80 180 8 ANSWER DOWNLOAD EXAMIANS APP
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