Extracted text: ... hm www 25mm diameter 75mm 2m diameter water 200mm 600mm Mercury (SG = 13.6) The head lost from point 1 to point 2 is 4m. If the specific gravity of mercury is 13.6, determine the following: a) The velocity at point 1 is Blank 1 m/s. b) The maximum height the water can reach "hm" if neglecting air friction is Blank 2 m 2.