Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The most common standard size of bubble caps used in industrial operation is 8" dia cap with 1" dia riser 4" dia cap with 8" dia riser 6" dia cap with 4" dia riser 1" dia cap with 0.5" dia riser 8" dia cap with 1" dia riser 4" dia cap with 8" dia riser 6" dia cap with 4" dia riser 1" dia cap with 0.5" dia riser 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 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 Remains same ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rivets are generally specified by the Shank diameter Overall length Head diameter None of these Shank diameter Overall length Head diameter None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Economic limit reached, when the plant cost exceeds the saving of steam Both A & B Neither A nor B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Economic limit reached, when the plant cost exceeds the saving of steam Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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. None of these Decrease by 22 Increase by 1.8 Increase by 21.6 None of these Decrease by 22 Increase by 1.8 Increase by 21.6 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS