4 (a) Figure Q4(a) below shows a quadrant tank partially filled with oil of specific gravity 0.875. The tank is held in

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4 A Figure Q4 A Below Shows A Quadrant Tank Partially Filled With Oil Of Specific Gravity 0 875 The Tank Is Held In 1 (45.97 KiB) Viewed 40 times

4 (a) Figure Q4(a) below shows a quadrant tank partially filled with oil of specific gravity 0.875. The tank is held in place with a bolt at the point labelled X. If the total hydrostatic force is considered to act on the vertical wall (dimensions and side view shown on the left), and the tank is assumed to be massless, find: The hydrostatic force acting on the wall, (II) The location at which it acts, and (II) The turning moment caused by the force about the point X. (4) (5) 150mm 400mm 200mm 180mm Figure Q4(a) (b) When a rectangular plastic container of length 620 mm, width 480 mm and height 350 mm, is filled with sea water of specific weight 10.1 kN/m, its combined weight is 1069 N. Find the mass of the container. (c) Water flows through a pipe contraction shown in Figure Q4(c) below. An inverted u-tube manometer which is filled with air is connected the pipe before and after the contraction. Find the difference in pressure between the points A and B. (4) (8) Figure 04(0)