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The height of the down sprue is 175 m and its CS area at the base is 200 mm2. The CS area of the horizontal runner is also 200 mm2. Assuming no losses, indicate the correct choice for the time (seconds) required to fill a mold cavity of volume 106 mm3. (use g = 10 m/s2)

(a) 2.67                        (b) 8.45

(c) 26.72                      (d) 84.50

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