Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses. Both A & B Circumferential Radial Neither A nor B Both A & B Circumferential Radial Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of the seive tray column is determined by the Lower limit of vapour velocity Hole diameter of the seive tray Upper limit of the vapour velocity Height of the plate spacing Lower limit of vapour velocity Hole diameter of the seive tray Upper limit of the vapour velocity Height of the plate spacing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity. 45 95 60 80 45 95 60 80 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of 20.8 2 20.2 None of these 20.8 2 20.2 None of these 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 0.2-0.5 0.4-0.9 0.1-0.2 1.2-1.5 0.2-0.5 0.4-0.9 0.1-0.2 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. 16 19 38 28 16 19 38 28 ANSWER DOWNLOAD EXAMIANS APP
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