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). 450 650 750 250 450 650 750 250 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The safe distance of habitation from a hazardous chemical plant (TLV of its product < 1000 ppm) should be about __________ kms. 1 25 15 5 1 25 15 5 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 Of its flexibility and nearly constant efficiency under varying conditions of operation None of these It eliminates the foaming and entrain-ment tendency during operation It incurs less pressure drop as compared to any other try designed for the same duty Of its flexibility and nearly constant efficiency under varying conditions of operation None of these It eliminates the foaming and entrain-ment tendency during operation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will Increase or decrease depending on the nature of the dust Decrease Increase Remain unaffected Increase or decrease depending on the nature of the dust Decrease Increase Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Saddle supports are used for supporting __________ vessels. Horizontal cylinderical Thick walled vertical Tall vertical Thick spherical Horizontal cylinderical Thick walled vertical Tall vertical Thick spherical 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 1 20.8 2 ∞ 1 20.8 2 ∞ ANSWER DOWNLOAD EXAMIANS APP
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