Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate? Square pitch Heat transfer rate is independent of tube arrangement Triangular pitch Diagonal square pitch Square pitch Heat transfer rate is independent of tube arrangement Triangular pitch Diagonal square pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be √d √(2d) √(2πd) D √d √(2d) √(2πd) D 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 Bending Elongation Deformation Shear Bending Elongation Deformation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Apex angle of conical heads used in the bottom heads of chemical process equipments is usually 75° 45° 30° 60° 75° 45° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a vertical short tube evaporator (Calendria type), the All of these Liquor is inside the tube while the steam is outside the tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube All of these Liquor is inside the tube while the steam is outside the tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open gate valves would be Both B and C Much less (say 2% than that for fully open globe valves) Around 7 Much more than that for fully open globe valves Both B and C Much less (say 2% than that for fully open globe valves) Around 7 Much more than that for fully open globe valves ANSWER DOWNLOAD EXAMIANS APP
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