Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 0.22 NRe0.05 f = 16/NRe f = 25/NRe f = 0.04/NRe0.16 f = 0.22 NRe0.05 f = 16/NRe f = 25/NRe f = 0.04/NRe0.16 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/30th 1/50th 1/10th 1/20th 1/30th 1/50th 1/10th 1/20th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = 0, is the representative of Eddy diffusivity = 0 Complete back mixing Laminar flow Plug flow Eddy diffusivity = 0 Complete back mixing Laminar flow Plug flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter. 0.5 to 0.6 0.65 to 0.80 0.1 to 0.25 0.3 to 0.5 0.5 to 0.6 0.65 to 0.80 0.1 to 0.25 0.3 to 0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns. Same Either A or B; no generalisation can be made More Less Same Either A or B; no generalisation can be made More Less ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around 100 and 250 25 and 60 250 and 600 3 and 5 100 and 250 25 and 60 250 and 600 3 and 5 ANSWER DOWNLOAD EXAMIANS APP
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