Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by No relation exists σh = 2 σL σh = σL σh = σL/2 No relation exists σh = 2 σL σh = σL σh = σL/2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be More than that for fluid flow Same as that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Less than that for fluid flow More than that for fluid flow Same as that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Less than that for fluid flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to High gas velocity Low reflux ratio Low gas velocity Excessive liquid gradient over the tray High gas velocity Low reflux ratio Low gas velocity Excessive liquid gradient over the tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Saddle supports are used for supporting __________ vessels. Thick spherical Horizontal cylinderical Thick walled vertical Tall vertical Thick spherical Horizontal cylinderical Thick walled vertical Tall vertical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap plate column is A continuous contactor A finite stage contactor Used only for distillation, not for absorption A differential stage contactor A continuous contactor A finite stage contactor Used only for distillation, not for absorption A differential stage contactor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to 1.5 d D 0.5 d 2.5 d 1.5 d D 0.5 d 2.5 d ANSWER DOWNLOAD EXAMIANS APP
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