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# MET 212 Assignment-2

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### MET 212 Assignment-2

1. 1. assinment2-130115054729-phpapp01.docMET212- Fluid Mechanics & Machines st1 Octuber, 2011 10Name…… ……… ……… …… ………… I.D No.…….… ………Section: …….. date ………………………………………..Q.1 Consider a U-tube manometer whose arms are open to the atmosphere. Onearm contains 70cm (hw1) high water and other arm contains light oil (SG=0.78) from theother. If the other arm contains oil-water and the height ratio of 6 (h o=6hw2). Determinethe heights in meter of each fluid in the right arm of this U-tube manometer.Q.2: A basic elements of a hydraulic jack are shown in Figure below for lifting acar. If mechanical advantage at F1 and the area of piston A1 is 20-cm2 and A2 is190-cm2, what load F2 can be raised for the car by a force of 60 N applied to thesmaller piston.Dr. Adel Afify MET212 Octuber, 2011 1
2. 2. assinment2-130115054729-phpapp01.docQ.3: Compare the pressure heads (h) of water, carbon tetrachloride and mercurycorresponding to a pressure of 50 kPa. Express your results in SI units.(ρwater=1000kg/m3, ρmercury=13600kg/m3, ρcarbontetrachloride = 1590kg/m3)Q.4: A closed tank is partially filled with glycerin. If the air pressure in the tank is6 psi and the depth of glycerin is 10 ft, what is the pressure in psi at the bottom ofthe tank? [ρglycerin= 2.44 slugs/ft3 and [(1 Lb =1 slugs x 1 ft/s2)]Q.5: The lower half of a 10-m high cylindrical barrel is filled with water and the upperhalf with oil. Determine the pressure difference (∆ P) in kPa between the bottom and topof the cylinder.Dr. Adel Afify MET212 Octuber, 2011 2
3. 3. assinment2-130115054729-phpapp01.docQ.6: The top of an inverted U-tube manometer is filled with oil of specific gravity,SGo=0.98 and the remainder of the tube with water of specific gravity SG w=1.01. Find thepressure difference (PB - PA) in Pa between two points B and A at the same level at thebase of the legs when the manometer reading in oil-water level h is 75mm.Q. 7: A rectangular gate located at h=3.048m below the surface of water (see Fig.).Determine the magnitude of the force as well as the depth of application on therectangular gate of width 1.524m and height 1.828m and the gate is inclined at an angle600 from the water surface level. ρwater= 999.52 kg/m3. 600 h Water Rectangular Gate 1.828mDr. Adel Afify MET212 Octuber, 2011 3
4. 4. assinment2-130115054729-phpapp01.docQ.6: The top of an inverted U-tube manometer is filled with oil of specific gravity,SGo=0.98 and the remainder of the tube with water of specific gravity SG w=1.01. Find thepressure difference (PB - PA) in Pa between two points B and A at the same level at thebase of the legs when the manometer reading in oil-water level h is 75mm.Q. 7: A rectangular gate located at h=3.048m below the surface of water (see Fig.).Determine the magnitude of the force as well as the depth of application on therectangular gate of width 1.524m and height 1.828m and the gate is inclined at an angle600 from the water surface level. ρwater= 999.52 kg/m3. 600 h Water Rectangular Gate 1.828mDr. Adel Afify MET212 Octuber, 2011 3
5. 5. assinment2-130115054729-phpapp01.docQ.6: The top of an inverted U-tube manometer is filled with oil of specific gravity,SGo=0.98 and the remainder of the tube with water of specific gravity SG w=1.01. Find thepressure difference (PB - PA) in Pa between two points B and A at the same level at thebase of the legs when the manometer reading in oil-water level h is 75mm.Q. 7: A rectangular gate located at h=3.048m below the surface of water (see Fig.).Determine the magnitude of the force as well as the depth of application on therectangular gate of width 1.524m and height 1.828m and the gate is inclined at an angle600 from the water surface level. ρwater= 999.52 kg/m3. 600 h Water Rectangular Gate 1.828mDr. Adel Afify MET212 Octuber, 2011 3
6. 6. assinment2-130115054729-phpapp01.docQ.6: The top of an inverted U-tube manometer is filled with oil of specific gravity,SGo=0.98 and the remainder of the tube with water of specific gravity SG w=1.01. Find thepressure difference (PB - PA) in Pa between two points B and A at the same level at thebase of the legs when the manometer reading in oil-water level h is 75mm.Q. 7: A rectangular gate located at h=3.048m below the surface of water (see Fig.).Determine the magnitude of the force as well as the depth of application on therectangular gate of width 1.524m and height 1.828m and the gate is inclined at an angle600 from the water surface level. ρwater= 999.52 kg/m3. 600 h Water Rectangular Gate 1.828mDr. Adel Afify MET212 Octuber, 2011 3