Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 17.5 12.5 5 2.5 17.5 12.5 5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) Πd/4P² 4(P² - πd²/4)/πd 4P²/πd (P² - πd²/4)/πd Πd/4P² 4(P² - πd²/4)/πd 4P²/πd (P² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is pd/4t pd/3t pd/2t pd/t pd/4t pd/3t pd/2t pd/t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Safety valves are provided in chemical equipments to guard against excessive Turbulence Noise Pressure/pressure fluctuation Temperature Turbulence Noise Pressure/pressure fluctuation Temperature ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Skirt support is the most suitable for supporting __________ vessels. Large horizontal Tall vertical Small horizontal Thick walled Large horizontal Tall vertical Small horizontal Thick walled ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = 0, is the representative of Laminar flow Plug flow Eddy diffusivity = 0 Complete back mixing Laminar flow Plug flow Eddy diffusivity = 0 Complete back mixing ANSWER DOWNLOAD EXAMIANS APP