Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Raschig rings All of these Lessig rings Cross-partition rings Raschig rings All of these Lessig rings Cross-partition rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference Is always less than arithmetic mean value, but more than geometric mean value Is always less than arithmetic average value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic mean value, but more than geometric mean value Is always less than arithmetic average value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always more than arithmetic mean value and the geometric mean value ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ shaped roof is most commonly used for cylindrical tanks. Umbrella Dome Flat Cone Umbrella Dome Flat Cone ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 25/NRe f = 0.04/NRe0.16 f = 0.22 NRe0.05 f = 16/NRe f = 25/NRe f = 0.04/NRe0.16 f = 0.22 NRe0.05 f = 16/NRe ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following types of reactors is the safest from operation point of view? A liquid phase reactor Pot type reactor A liquid phase catalytic reactor A vapor phase reactor A liquid phase reactor Pot type reactor A liquid phase catalytic reactor A vapor phase reactor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? (0.8)0.5 0.9 0.8 1 (0.8)0.5 0.9 0.8 1 ANSWER DOWNLOAD EXAMIANS APP