Process Equipment and Plant Design The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability. 2 5 10 15 2 5 10 15 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 Which of the following lengths of heat exchanger tubes are normally not used in practice? 6 metres 2.5 metres 10 metres 0.5 metre 6 metres 2.5 metres 10 metres 0.5 metre ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap tray is the most commonly used tray in large distillation column, because It incurs less pressure drop as compared to any other try designed for the same duty None of these It eliminates the foaming and entrain-ment tendency during operation Of its flexibility and nearly constant efficiency under varying conditions of operation It incurs less pressure drop as compared to any other try designed for the same duty None of these It eliminates the foaming and entrain-ment tendency during operation Of its flexibility and nearly constant efficiency under varying conditions of operation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to 20.8 1 ∞ 2 20.8 1 ∞ 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 650 250 450 750 650 250 450 750 ANSWER DOWNLOAD EXAMIANS APP
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