Process Equipment and Plant Design Value of Peclet number = 0, is the representative of Complete back mixing Eddy diffusivity = 0 Laminar flow Plug flow Complete back mixing Eddy diffusivity = 0 Laminar flow Plug flow 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. Three fourth Equal to Half One fourth Three fourth Equal to Half One fourth ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thermal stress in a metallic bar does not depend upon the Cross-sectional area Both A & B Neither A nor B Changes in temperature Cross-sectional area Both A & B Neither A nor B Changes in temperature ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? Overall plate efficiency Murphree plate efficiency None of these Point efficiency Overall plate efficiency Murphree plate efficiency None of these Point efficiency ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses. Neither A nor B Radial Circumferential Both A & B Neither A nor B Radial Circumferential Both A & B 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) E/σ Σ/E Σ E E/σ Σ/E Σ E ANSWER DOWNLOAD EXAMIANS APP
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