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 1.75 2.5 3.5 1.25 1.75 2.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In condenser, the cooling water is passed in the tube side in a pass arrangement, because It reduces heat transfer area More thinner tubes can be used It makes condenser compact Pressure drop is reduced It reduces heat transfer area More thinner tubes can be used It makes condenser compact Pressure drop is reduced ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The maximum liquid gradient over a tray must not exceed 0.5" -1.25" 5" 2"-3.5" Half the tray spacing 0.5" -1.25" 5" 2"-3.5" Half the tray spacing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by No relation exists σh = σL/2 σh = σL σh = 2 σL No relation exists σh = σL/2 σh = σL σh = 2 σL ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms. 15 7.5 50 5 15 7.5 50 5 ANSWER DOWNLOAD EXAMIANS APP