Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses. Circumferential Both A & B Radial Neither A nor B Circumferential Both A & B Radial Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is used to set the diameter of the distillation column? Number of theorectical plates Allowable vapour velocity Static submergence Length of straight rectangular weir on cross-flow tray Number of theorectical plates Allowable vapour velocity Static submergence Length of straight rectangular weir on cross-flow tray 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 3 to 12.5 12.5 to 18.5 L to 3 4 to 8 3 to 12.5 12.5 to 18.5 L to 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Needle valves are generally not used for Smaller sizes of pipe High pressure throttling service Very accurate flow control Very large diameter pipes Smaller sizes of pipe High pressure throttling service Very accurate flow control Very large diameter pipes 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. 20-40 1000-1500 43835 100-150 20-40 1000-1500 43835 100-150 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Weep holes provided in the plates of a distillation column Facilitate draining out liquid from a tray when the unit is not in operation Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid All of these Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation Facilitate draining out liquid from a tray when the unit is not in operation Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid All of these Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation ANSWER DOWNLOAD EXAMIANS APP
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