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 less tubes in a given shell diameter Both B and C Permits the use of more tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Permits the use of less tubes in a given shell diameter Both B and C Permits the use of more tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a thin cylindrical shell, the hoop stress is __________ stress. Compressive Longitudinal Radial Circumferential tensile Compressive Longitudinal Radial Circumferential tensile 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 Σ/E Σ E/σ E Σ/E ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Stage efficiency for packed tower varies with the Type & size of packing All of these Operating pressure and column diameter Fluid rates and fluid properties Type & size of packing All of these Operating pressure and column diameter Fluid rates and fluid properties ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around 100 and 250 3 and 5 25 and 60 250 and 600 100 and 250 3 and 5 25 and 60 250 and 600 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 1.25 3.5 1.75 2.5 1.25 3.5 1.75 2.5 ANSWER DOWNLOAD EXAMIANS APP
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