Process Equipment and Plant Design The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always 1 >1 Equal to the order of reaction < 1 1 >1 Equal to the order of reaction < 1 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. 40 to 50 1 to 5 30 to 40 10 to 20 40 to 50 1 to 5 30 to 40 10 to 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Flow at a very slow velocity Preferably flow inside the tube for its easier internal cleaning Perferably flow outside the tube Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Flow at a very slow velocity Preferably flow inside the tube for its easier internal cleaning Perferably flow outside the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Vertical storage vessels are never supported by __________ support. Bracket Lug Saddle Skirt Bracket Lug Saddle Skirt ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Economic limit reached, when the plant cost exceeds the saving of steam Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B Both A & B Economic limit reached, when the plant cost exceeds the saving of steam Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower. 2.5-3.0 5-7.5 10-12.5 15-20 2.5-3.0 5-7.5 10-12.5 15-20 ANSWER DOWNLOAD EXAMIANS APP