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A hot water system (Geyser) consists of a cylindrical pipe of length 14 m and diameter 5 cm. Find the total radiating surface of hot water system. |
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Answer» Radius (r) = diameter/2 = 5/2 = 2.5 cm Length of the pipe = height = 14 m Radiating surface = 2πrh = 2 × 22/7 x 2.5 x 1400 = 22000 cm3 |
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