Process Equipment and Plant Design Baffles may be eliminated for Low viscosity liquids (< 200 poise) Large diameter tanks None of these High viscosity liquids (> 600 poise) Low viscosity liquids (< 200 poise) Large diameter tanks None of these High viscosity liquids (> 600 poise) 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 Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids. 19 28 38 16 19 28 38 16 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design High pressure fluid in a shell and tube heat exchanger should preferably be routed through the Tubes to avoid the expansion of high pressure shell construction Shell side for smaller total pressure drop Shell side for large overall heat transfer co-efficient Shell side, if the flow is counter-current and tube side if the flow is co-current Tubes to avoid the expansion of high pressure shell construction Shell side for smaller total pressure drop Shell side for large overall heat transfer co-efficient Shell side, if the flow is counter-current and tube side if the flow is co-current ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre. 1.2-1.5 0.4-0.9 0.2-0.5 0.1-0.2 1.2-1.5 0.4-0.9 0.2-0.5 0.1-0.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Two iron pipes of the same nominal diameter but different schedule numbers will have the same Outside diameter Wall thickness Inside diameter None of these Outside diameter Wall thickness Inside diameter None of these ANSWER DOWNLOAD EXAMIANS APP
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