Process Equipment and Plant Design __________ is the determining factor for the number of bubble caps to be used per tray. Permissible slot velocity Liquid load Vapor load Tray diameter Permissible slot velocity Liquid load Vapor load Tray diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing. 43835 20-40 100-150 1000-1500 43835 20-40 100-150 1000-1500 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 Frame thickness in the plate and frame filter press is normally in the range of __________ inches. 1 to 12 0.25 to 8 0.25 to 4 1 to 5 1 to 12 0.25 to 8 0.25 to 4 1 to 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area. 0.5 to 1.5 5 to 10 10 to 15 2.5 to 4.0 0.5 to 1.5 5 to 10 10 to 15 2.5 to 4.0 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles? To increase the residence time of shell side fluid To provide support to the tube bundle To increase the tube side heat transfer co-efficient by inducing turbulence To reduce the induced vibration in the tubes To increase the residence time of shell side fluid To provide support to the tube bundle To increase the tube side heat transfer co-efficient by inducing turbulence To reduce the induced vibration in the tubes ANSWER DOWNLOAD EXAMIANS APP
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