Process Equipment and Plant Design In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps. 1.6 to 2 2.5 1.3 to 2 1.5 to 3 1.6 to 2 2.5 1.3 to 2 1.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Laminar flow Plug flow Complete back mixing Eddy diffusivity = 0 Laminar flow Plug flow Complete back mixing Eddy diffusivity = 0 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of Reduction of discontinuity in shape at the junction None of these Making the joint leak proof Preventing the local overstressing of the shell around the opening Reduction of discontinuity in shape at the junction None of these Making the joint leak proof Preventing the local overstressing of the shell around the opening ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The longitudinal stress induced in a thin walled cylinderical vessel under internal pressure is pd/2t pd/8t pd/t pd/4t pd/2t pd/8t pd/t pd/4t 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 E Σ E/σ Σ/E E Σ E/σ ANSWER DOWNLOAD EXAMIANS APP
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. Equal to Three fourth One fourth Half Equal to Three fourth One fourth Half ANSWER DOWNLOAD EXAMIANS APP
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