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 35 5 20 55 35 5 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? Murphree plate efficiency Point efficiency None of these Overall plate efficiency Murphree plate efficiency Point efficiency None of these Overall plate efficiency ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm. Half One fourth Equal to Three fourth Half One fourth Equal to Three fourth ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are less prone to fouling Are easier to clean None of these Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are less prone to fouling Are easier to clean None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is Less Same More Twice Less Same More Twice 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. 43864 43959 44119 20-25 43864 43959 44119 20-25 ANSWER DOWNLOAD EXAMIANS APP