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
Process Equipment and Plant Design Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness. 30 to 40 40 to 50 1 to 5 10 to 20 30 to 40 40 to 50 1 to 5 10 to 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.) H.ρ/L L/Z.H.ρ Z.H/L.ρ Z.H.ρ/L H.ρ/L L/Z.H.ρ Z.H/L.ρ Z.H.ρ/L 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 Pressure drop is reduced More thinner tubes can be used It makes condenser compact It reduces heat transfer area Pressure drop is reduced More thinner tubes can be used It makes condenser compact ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure? At the outer surface At the mid thickness of the cylindrical wall At the inner surface None of these At the outer surface At the mid thickness of the cylindrical wall At the inner surface None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 5 to 10 55 to 75 40 to 50 15 to 30 5 to 10 55 to 75 40 to 50 15 to 30 ANSWER DOWNLOAD EXAMIANS APP