Process Equipment and Plant Design In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always less than arithmetic mean value, but more than geometric mean value Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic average value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always less than arithmetic mean value, but more than geometric mean value Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic average value ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Cylindrical pressure vessels in horizontal condition is generally supported on a __________ support. Saddle Guy wire Skirt Lug Saddle Guy wire Skirt Lug ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)2/3 (1.2)3/5 (1.2)5/3 (1.2)3/2 (1.2)2/3 (1.2)3/5 (1.2)5/3 (1.2)3/2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. 0.6-0.8 times 2 ft irrespective of (for column > 3 ft diameter) Twice Equal to 0.6-0.8 times 2 ft irrespective of (for column > 3 ft diameter) Twice Equal to 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 In inclined long tube vertical evaporators, the tubes are inclined at an angle of 15° 45° 60° 90° 15° 45° 60° 90° ANSWER DOWNLOAD EXAMIANS APP
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