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A 20Cose B. POT C using D. 2par por por aCose 2. is an instrument used to measure the difference between two points in a pipe. or in two different pipes, A. Thermometer B. Barometer C. Hygrometer D. Manometer 3. The device used for measuring the pressure at a point in a fluid by balancing the column fluid by the same or another column of liquid are known as A. Venturimeter B. Manometer C. Bourdon Guage D. Differential Guage 4. In a pipe of 90mm diameter water is flowing with a mean velocity of 2 m/s and a gauge pressure of 350 kN/m . Determine the total head, if the pipe is 6m above the datum line. Neglect friction. A. 35.57m B. 41.87m C. 43.90m D. 48.89m 5. Determine the pressure at a point Sm below the free water surface in a liquid that has a variable density given relation: p -(350 + Ay) kg/m where. A = 8kg/m4 and y is the distance in metres measured from the free surface. A. 20.05kN/m B. 19.43kN/m C. 18. 15KN/m D. 23.66kN/m- 6. Calculate the bulk modulus of elasticity of a liquid, if the pressure of the liquid is increased from 7MN/m? to 13MN/m . The volume of liquid decreases by 0.15%. A. 4GN/M B. 6GN/M' C. 8GN/M D. 10GN/M2 7. A spherical object of 1.45m diameter is completely immersed in a water reservoir and chained to the bottom. If the chain has a tension of 5.20kN. find the weight of the object when it is taken out of the reservoir into the air. A. 12.22kN B. 18.54KN C. 10.46KN D. 13.32KN 8. A wooden block of specific gravity 0.75 floats in water. If the size of the block is Im x 0.5m x 0.4m. Find the metacentric height. A. 0.019m B. 0.029m C. 0.039m D. 0.049m 9. Water flows at the rate of 0.015m3/s through a 100mm diameter orifice used in a 200mm pipe. What is the difference of pressure head between the upstream section and the vena contracta section? Take co-efficient of contraction Ce = 0.60 and Cv = 1.0 A. 0.369m B. 0.398m C. 0.421m D. 0.484m 10. 250L/s of water is flowing in a pipe having a diameter of 300mm. If the pipe is bent by 135, find the magnitude of the resultant force on the bend. The pressure of the water flowing is 400kN/m . Take specific weight of water as 9.81kN/m'. A. 18.50 B. 22.50 C. 25.50 D. 27.59