Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 1.1 to 1.5 1.6 to 2 2.7 to 3 2.2 to 2.6 1.1 to 1.5 1.6 to 2 2.7 to 3 2.2 to 2.6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for Creating turbulence Increasing pressure drop Fixing the tubes Reducing scale deposition Creating turbulence Increasing pressure drop Fixing the tubes Reducing scale deposition ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm. 23 26 27 25 23 26 27 25 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 12 34 18 6 12 34 18 6 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 Increase by 21.6 Increase by 1.8 Decrease by 22 None of these Increase by 21.6 Increase by 1.8 Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow ANSWER DOWNLOAD EXAMIANS APP