Process Equipment and Plant Design Hoop (circumferential) stress induced in a thin walled 'Horton Sphere' used for the storage of liquid ammonia under pressure is pD/6t pD/2t pD/4t pD/3t pD/6t pD/2t pD/4t pD/3t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a long tube vertical evaporator. Liquor level is maintained at l/3rd to 1/2 of the height of the tube Steam is fed to the shell, whereas the liquor is filled inside the tube Tube dia is 3-6 cms, while tube length in 3-6 metres None of these Liquor level is maintained at l/3rd to 1/2 of the height of the tube Steam is fed to the shell, whereas the liquor is filled inside the tube Tube dia is 3-6 cms, while tube length in 3-6 metres None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement Results in higher shell side pressure drop Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Can accomodate less number of tubes for a given shell diameter Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Results in higher shell side pressure drop Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Can accomodate less number of tubes for a given shell diameter Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less. 20-25 44119 43959 43864 20-25 44119 43959 43864 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An adequate clearance between the tray and the shell wall of a distillation column is provided to None of these Allow for thermal expansion and facilitate installation Avoid back-trapping Drain the liquid from the tray when the unit is not in operation None of these Allow for thermal expansion and facilitate installation Avoid back-trapping Drain the liquid from the tray when the unit is not in operation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes) (D₂² - D₁²)/D₁² D₂ - D₁ None of these (D₂² - D₁²)/D₂² (D₂² - D₁²)/D₁² D₂ - D₁ None of these (D₂² - D₁²)/D₂² ANSWER DOWNLOAD EXAMIANS APP
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