Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 3√t D = 1.1 t D = 1.6 √t D = 1.5 t D = 3√t D = 1.1 t D = 1.6 √t D = 1.5 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design for couplings and unions would be 60 Negligible 200 350 60 Negligible 200 350 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = 0, is the representative of Eddy diffusivity = 0 Laminar flow Plug flow Complete back mixing Eddy diffusivity = 0 Laminar flow Plug flow Complete back mixing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering branch) would be Less than that for Tee (used as elbow, entering run) Around 90 Both B and C More than that for Tee (used as elbow, entering run) Less than that for Tee (used as elbow, entering run) Around 90 Both B and C More than that for Tee (used as elbow, entering run) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Seamless pipe is made From rolled strips formed into cylinders and seam-welded By extrusion & casting into static and centrifugal molds Both B and C By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing From rolled strips formed into cylinders and seam-welded By extrusion & casting into static and centrifugal molds Both B and C By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a 'thin' pressure vessel, the ratio of its diameter to wall thickness is > 10 > 20 30 < 10 > 10 > 20 30 < 10 ANSWER DOWNLOAD EXAMIANS APP