Process Equipment and Plant Design Back-trapping in a distillation column results due to Excessive liquid gradient over the tray High gas velocity Low reflux ratio Low gas velocity Excessive liquid gradient over the tray High gas velocity Low reflux ratio Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice? 10 metres 6 metres 2.5 metres 0.5 metre 10 metres 6 metres 2.5 metres 0.5 metre ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter. 5 to 10 2.5 to 5 10 to 15 1.5 to 2 5 to 10 2.5 to 5 10 to 15 1.5 to 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for Creating turbulence Reducing scale deposition Fixing the tubes Increasing pressure drop Creating turbulence Reducing scale deposition Fixing the tubes Increasing pressure drop 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 1/D² D² 1/D 1/D⁵ 1/D² D² 1/D ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Poisson's ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson's ratio for structural and pressure vessel steel may be taken as 0.3 0.75 0.01 0.95 0.3 0.75 0.01 0.95 ANSWER DOWNLOAD EXAMIANS APP