Process Equipment and Plant Design Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm. 20 5 10 30 20 5 10 30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a shell and tube heat exchanger, the corrosion allowance For internal cover and tube sheet is provided on both the sides All of these Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm For internal cover and tube sheet is provided on both the sides All of these Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The necessary wall thickness for a metallic storage vessel is a function of the 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 Diameter of the vessel Operating pressure and welding/joint efficiency ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dh)/dh (ph - dt)/ph (ph - dh)/ph (ph - dh . dt/2)/ph (ph - dh)/dh (ph - dt)/ph (ph - dh)/ph (ph - dh . dt/2)/ph ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In perforated plate towers, the Pressure drop is less compared is similar bubble cap towers Total hole area may be around 6 to 15% of tower cross-sectional area Hole sizes may be around 1/8" or 3/16" All of these Pressure drop is less compared is similar bubble cap towers Total hole area may be around 6 to 15% of tower cross-sectional area Hole sizes may be around 1/8" or 3/16" All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hole diameter of the seive trays in the distillation column ranges from __________ mm. 4 to 8 12.5 to 18.5 L to 3 3 to 12.5 4 to 8 12.5 to 18.5 L to 3 3 to 12.5 ANSWER DOWNLOAD EXAMIANS APP
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