Water ( = 9.0 10 -4 kg/m s, = 1000 kg/m 3 ) enters

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Water (μ = 9.0 × 10-4 kg/m · s, ρ = 1000 kg/m3) enters a 2-cm-diameter and 3-m-long tube whose walls are maintained at 100°C. The water enters this tube with a bulk temperature of 25°C and a volume flow rate of 3 m3/h. The Reynolds number for this internal flow is
(a) 59,000

(b) 105,000

(c) 178,000

(d) 236,000

(e) 342,000

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