Process Equipment and Plant Design For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by Di, opt = 3.9 Q0.45 . ρ0.23 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 Di, opt = 3 Q0.36 ρ0.18 Di, opt = 7.6 Q0.36 . ρ0.9 Di, opt = 3.9 Q0.45 . ρ0.23 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 Di, opt = 3 Q0.36 ρ0.18 Di, opt = 7.6 Q0.36 . ρ0.9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm. 27 23 26 25 27 23 26 25 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is Twice Same More Less Twice Same More Less ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? 0.9 0.8 (0.8)0.5 1 0.9 0.8 (0.8)0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor. 30-35 43961 15-20 35-40 30-35 43961 15-20 35-40 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice? 10 metres 6 metres 0.5 metre 2.5 metres 10 metres 6 metres 0.5 metre 2.5 metres ANSWER DOWNLOAD EXAMIANS APP