Process Equipment and Plant Design Value of Peclet number = 0, is the representative of Eddy diffusivity = 0 Complete back mixing Laminar flow Plug flow Eddy diffusivity = 0 Complete back mixing Laminar flow Plug flow 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 E Σ Σ/E E/σ E Σ Σ/E ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) (P² - πd²/4)/πd 4P²/πd Πd/4P² 4(P² - πd²/4)/πd (P² - πd²/4)/πd 4P²/πd Πd/4P² 4(P² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line) S₁.S₂ 1/S₁.S₂ S₁/S₂ S₂/S₁ S₁.S₂ 1/S₁.S₂ S₁/S₂ S₂/S₁ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from 2 to 3 3 to 5 6 to 12 4 to 8 2 to 3 3 to 5 6 to 12 4 to 8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a U-bend Floating head tube sheet Neither A nor B Either A or B U-bend Floating head tube sheet Neither A nor B Either A or B ANSWER DOWNLOAD EXAMIANS APP
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