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. 35 55 5 20 35 55 5 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 5 17.5 12.5 2.5 5 17.5 12.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be __________ times. Considerably more than 9 Considerably less than 9 About 9 About 3 Considerably more than 9 Considerably less than 9 About 9 About 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ). 1/D⁵ D² 1/D 1/D² 1/D⁵ D² 1/D 1/D² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of D/5 or minimum 2" to D D/2 or minimum 2" to 5D None of these D/5 or minimum 2" to 5D D/5 or minimum 2" to D D/2 or minimum 2" to 5D None of these D/5 or minimum 2" to 5D 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 20.8 2 None of these 20.2 20.8 2 None of these 20.2 ANSWER DOWNLOAD EXAMIANS APP