Process Equipment and Plant Design For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by Di, opt = 3 Q0.36 ρ0.18 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 Di, opt = 7.6 Q0.36 . ρ0.9 Di, opt = 3.9 Q0.45 . ρ0.23 Di, opt = 3 Q0.36 ρ0.18 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 Di, opt = 7.6 Q0.36 . ρ0.9 Di, opt = 3.9 Q0.45 . ρ0.23 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) 4(P² - πd²/4)/πd Πd/4P² 4P²/πd (P² - πd²/4)/πd 4(P² - πd²/4)/πd Πd/4P² 4P²/πd (P² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid Containing suspended solids flows at high velocity Is highly viscous Is of high specific gravity Containing suspended solids flows at low velocity Containing suspended solids flows at high velocity Is highly viscous Is of high specific gravity Containing suspended solids flows at low velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design 25 per cent cut segmental baffle means that the baffle Spacing is 75% of its height Width is 25% of its height Height is 25% of the I.D. of the shell Height is 75% of the I.D. of the shell Spacing is 75% of its height Width is 25% of its height Height is 25% of the I.D. of the shell Height is 75% of the I.D. of the shell ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness? Conical Hemispherical Ellipsoidal (2 : 1) Flat plate Conical Hemispherical Ellipsoidal (2 : 1) Flat plate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 2.2 to 2.6 1.1 to 1.5 2.7 to 3 1.6 to 2 2.2 to 2.6 1.1 to 1.5 2.7 to 3 1.6 to 2 ANSWER DOWNLOAD EXAMIANS APP
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