Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is > 7 < 15 < 7 > 20 < 50 < 30 > 7 < 15 < 7 > 20 < 50 < 30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps. 1.3 to 2 1.5 to 3 1.6 to 2 2.5 1.3 to 2 1.5 to 3 1.6 to 2 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity) E/σ E Σ/E Σ E/σ E Σ/E Σ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ dished head is the strongest of all. Elliptical None of these Torispherical Hemispherical Elliptical None of these Torispherical Hemispherical 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. 38 16 19 28 38 16 19 28 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The necessary wall thickness for a metallic storage vessel is a function of the Diameter of the vessel Operating pressure and welding/joint efficiency Ultimate tensile strength (or yield point) of the material and operating temperature All of these Diameter of the vessel Operating pressure and welding/joint efficiency Ultimate tensile strength (or yield point) of the material and operating temperature All of these ANSWER DOWNLOAD EXAMIANS APP