Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Flow at a very slow velocity Preferably flow inside the tube for its easier internal cleaning Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Perferably flow outside the tube Flow at a very slow velocity Preferably flow inside the tube for its easier internal cleaning Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Perferably flow outside the tube 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. 1 to 5 40 to 50 30 to 40 10 to 20 1 to 5 40 to 50 30 to 40 10 to 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is Shear Elongation Deformation Bending Shear Elongation Deformation Bending ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 2.5 1.75 3.5 1.25 2.5 1.75 3.5 1.25 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Safety valves are provided in chemical equipments to guard against excessive Turbulence Noise Pressure/pressure fluctuation Temperature Turbulence Noise Pressure/pressure fluctuation Temperature ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate? Square pitch Diagonal square pitch Heat transfer rate is independent of tube arrangement Triangular pitch Square pitch Diagonal square pitch Heat transfer rate is independent of tube arrangement Triangular pitch ANSWER DOWNLOAD EXAMIANS APP
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