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 Equal to One fourth Three fourth Half Equal to One fourth Three fourth ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Vertical condenser is advantageous to the horizontal condenser from operation point of view, when Only the function of condensation is to be carried out Sub cooling of condensate is desired Both the functions of condensation & sub cooling are carried out in a single unit Hydrostatic head is required for refluxing the condensate Only the function of condensation is to be carried out Sub cooling of condensate is desired Both the functions of condensation & sub cooling are carried out in a single unit Hydrostatic head is required for refluxing the condensate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around 0.5 2.5 3.5 1.5 0.5 2.5 3.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line) S₁.S₂ S₂/S₁ 1/S₁.S₂ S₁/S₂ S₁.S₂ S₂/S₁ 1/S₁.S₂ S₁/S₂ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The safe height (h) to diameter (d) ratio (i.e., h/d) for liquid/petro fuel storage tank of capacity more than 45 kilolitres is less than 3 1 3.5 2 3 1 3.5 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 Same as that for fluid flow More than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Less than that for fluid flow Same as that for fluid flow More than 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
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