Engineering, 12.08.2019 19:10, dani4685
Acertain part of cast iron piping of a water distribution system involves a parallel section. both parallel pipes have a diameter of 30 cm, and the flow is fully turbulent. one of the branches (pipe a) is 1500 m long, while the other branch (pipe b) is 2700 m long. if the flow rate through pipe a is 0.4 m3/s, determine the flow rate through pipe b. disregard minor losses and assume the water temperature to be 15°c. is the flow turbulent or laminar? is the friction factor dependent or independent of the reynold's number? the density and dynamic viscosity of water at 15°c are ρ = 999.1 kg/m3 and μ = 1.138 × 10–3 kg/m·s. the roughness of the cast iron pipe is ε = 0.00026 m. the flow rate through pipe b is m3/s. the flow is , and thus the friction factor is of the reynolds number.
Answers: 2
Engineering, 04.07.2019 18:10, johnthienann58
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
Engineering, 04.07.2019 18:10, xboxdude06
Slip occurs via two partial dislocations because of (a) the shorter path of the partial dislocation lines; (b) the lower energy state through partial dislocations; (c) the charge balance.
Answers: 1
Engineering, 04.07.2019 18:10, oliviasoreo92
Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa
Answers: 1
Acertain part of cast iron piping of a water distribution system involves a parallel section. both p...
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