Process Equipment and Plant Design At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally. Higher Same Lower Unpredictable Higher Same Lower Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of 2 None of these 20.8 20.2 2 None of these 20.8 20.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure Remains same Decreases Increases May increase or decrease depending upon the solubility of the gas in the liquid Remains same Decreases Increases May increase or decrease depending upon the solubility of the gas in the liquid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator 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 Employs high velocity, high heat transfer rate and less heating surface requirement Is economical in operation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches. 18 6 34 24 18 6 34 24 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be D √(2d) √(2πd) √d D √(2d) √(2πd) √d ANSWER DOWNLOAD EXAMIANS APP
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