Process Equipment and Plant Design With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT Remains constant Decreases very rapidly Increases linearly Increases very rapidly Remains constant Decreases very rapidly Increases linearly Increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A cylinderical pressure vessel of volume 6 πm³ has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm² and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to 5 mm 6 mm 8 mm 10 mm 5 mm 6 mm 8 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger Permits the use of more tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Both B and C Permits the use of less tubes in a given shell diameter Permits the use of more tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Both B and C Permits the use of less tubes in a given shell diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity) Σ E Σ/E E/σ Σ E Σ/E E/σ 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 Less than that for fluid flow More than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Same as that for fluid flow Less than that for fluid flow More than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Same as that for fluid flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Cylinderical shell thickness of rotary drier is generally __________ mm. 43864 44180 18-22 43990 43864 44180 18-22 43990 ANSWER DOWNLOAD EXAMIANS APP
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