QI/ A fluid containing (water, oil, air) flowing through the tube and open to the atmosphere as shown in the figure below. Note that p° = 1.013*10° Pa absolute pressure (Pa) = 98111 pa Calculate the height of the air pressure (h2). Density: Pwater = 1000 kg/m³ Poil = 800 kg/m³ Pair = 29 kg/m || %3D h3=50 hs =50 cm. Pa oIL h= 30 cm water he= ? %3D air

Air B SAE 30 oil Liquid, SG- 1.45 5 cm 3 cm 6 ст 4. The pressure at point A is Water 8 cm 25 psi. All fluids are at 20°C. What is the air pressure in the closed chamber B in Pa? (YSAE30 = 8720 N/m³) 3 cm

Fluid

C Load, W ø= 100 cm Piston D 30cm L=20cm Water 12cm e =30° Mercury, SG = 13.6 Container Figure 3. c) An inclined manometer consists of multiple types of fluid is shown in Figure 3 and a piston is put above point D. Point B is open to the atmospheric pressure (the atmospheric pressure is 101325 Pa). If the density of water is 998 kg/m². Calculate : (i) the gauge pressure at point C and D (ii) When a weight, W = 10KN is added to the top of the piston, the mercury rises an additional distance up the tube. Determine the new distance of L.

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Q1(b) A multi fluid manometer is shown in Figure Q1(b). Determine the following: (i) Determine height 'h' if the difference in pressure between the two pipes is 15.38 kPa; [6] (ii) Difference in pressure between the two pipelines if both pipes are in the same level. [6] Take density of air = 1kg/m3 and density of water = 1000kg/m3. Oil SG = 0.79 Gasoline SG =0.70 PIPE Air 45 cm hcm Pipe 22 cm 10 cm `Mercury SG= 13.6 Water Figure Q1(b)

Fluid Mechanics & Machinery Q-5b A fluid has specific gravity of 0.9. What is the value of specific weight? (Take g = 10 m/s²).