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 It eliminates the foaming and entrain-ment tendency during operation Of its flexibility and nearly constant efficiency under varying conditions of operation None of these It incurs less pressure drop as compared to any other try designed for the same duty It eliminates the foaming and entrain-ment tendency during operation Of its flexibility and nearly constant efficiency under varying conditions of operation None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally. Same Unpredictable Higher Lower Same Unpredictable Higher Lower ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of 2 20.8 20.2 None of these 2 20.8 20.2 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency May increase or decrease depending upon the plate spacing Increases Remains same Decreases May increase or decrease depending upon the plate spacing Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 55 20 35 5 55 20 35 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Movement of pipeline caused by thermal expansion is taken care by providing All of these Change in the shape of pipeline Expansion joint Changes in its direction All of these Change in the shape of pipeline Expansion joint Changes in its direction ANSWER DOWNLOAD EXAMIANS APP