Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 450 650 750 250 450 650 750 250 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the Smaller reactor should come first Larger reactor should come first Equal sized reactors are the best None of these Smaller reactor should come first Larger reactor should come first Equal sized reactors are the best None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid Is highly viscous Containing suspended solids flows at high velocity Is of high specific gravity Containing suspended solids flows at low velocity Is highly viscous Containing suspended solids flows at high velocity Is of high specific gravity Containing suspended solids flows at low velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Safety valves are provided in chemical equipments to guard against excessive Noise Pressure/pressure fluctuation Temperature Turbulence Noise Pressure/pressure fluctuation Temperature Turbulence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms. 7.5 20 2.5 15 7.5 20 2.5 15 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Saddle supports are used for supporting __________ vessels. Tall vertical Thick spherical Horizontal cylinderical Thick walled vertical Tall vertical Thick spherical Horizontal cylinderical Thick walled vertical ANSWER DOWNLOAD EXAMIANS APP