The 1-m diameter sphere in the figure shown rests in static equilibrium against a frictionless wall at B. Compute the specific gravity of the sphere.
Q: Find a nondimensional relationship for the pressure drop.
A: This question has been taken from Fluid mechanics
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Q: QI) Determine the maximum and minimum tensions if w, 2 kN/m as shown in fig. below? 60m 7m
A: The given figure is shown below:
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- The beam shown is hinged at one end. It is supported by two steel rods of equal length of 1.5m. Before the load is applied, the beam hangs level. Use E 200, 000M Pa and %3D a = 11.7- Neglect bending of the beam. A=640mm2 A=320mm2 A C 1.2 m 0.8 m 1.2 m V 54KN 1. If there is no change in temperature, what is the deformation of rod C in mm? 2. If there is no change in temperature, what is the deformation of rod B in mm? 3. What is the stress of rod C if there is no change in temperature in MPa? 4. What is the vertical displacement of D in mm, if the temperature rises 50°C? 5. If the temperature rises, what is the thermal deformation of steel in mm?A thin cylinder 200mm internal diameter, 3mm thick has its ends closed with rigid plates. The cylinder is then filled with water. When an external axial pull of 60KN is applied to the ends then the water pressure is observed to fall by 0.1N/mm2.Determine the value of Poisson’s ratio. Take E = 170,000N/mm2, K=2000N/mm2.SITUATION 32 The simply supported beam in the figure below has a rectangular cross section 120 mm wide and 200 mm high. a. Compute the maximum bending stress in the beam. a. Compute the bending stress at a point on section B that is 25 mm below the top of the beam. 0.8 m RA 6 kN/m B 2m NA с 120 mm 15 kN D A 100 mm -+ 100 mm 1.0 m E RE
- Question 1) For the given system in the figure, find the minimum P force that can move the 600 N block upwards. Note: The coefficient of friction between the blocks, and also for the lower surface is u=0.2. The other surface is frictionless u=0 600 N µ=0.2° -P 24 -μ=0.2A brass disk of radius 0.7 ftft and weight 459 lblb sits in a right-angle groove made of granite. The disk makes contact with the groove at AA and BB and the coefficient of static friction at both points are μS=μS= 0.39 A couple moment of MM is applied to the disk as shown.2 400 N/mm DY 45° В 2 400 N/mm The square element in the figure is subjected to a biaxial stress of 400 N/mm2 as shown. What is the intensity of normal stress p, on the plane BD? 400 N/mm ww/N 00 2.
- A 200 N-block is being pushed by a force P. See figure below. Coefficient of static friction,. us = 0.3, coefficient of kinetic friction, µk = 0.2 1. What is the value of the friction force if P = 90 N? 200 N Us = 0.3 U = 0.2E. Find the depression h of the mercury in the glass capillary tube having diameter of 2mm if the surface tension is 0.514 N/m for 0 = 40°. 1. 2. Compute the force caused by surface tension. 3. Determine the density of mercury.SITUATION 8: A suspended bar system consists of two cross sections as shown in the figure. Initially its lower surface is 0.8 millimeters above the ground surface. Take E=205 GPa. 80 I1.2 m mm? 160 40 kN mm2 0.8 mm 20. Determine the stress in the 160 mm2 section when a load of 40kN is applied as shown. a. 90.8 MPa b. 204.6 MPa с. 318.3 МPа d. 147.7 MPa 21. Determine the stress in the 80mm2 section when a load 40 kN is applied as shown. а. 90.8 MPа b. 204.6 MPa с. 318.3 МРа d. 147.7 MPa |42.4 m>4
- 3. A cube, 60 cm on an edge, has fts upper half having a specific gravity of 0.60 and the lower half 1.40. It is placed in a two-layered liquid. Find the value of z. itsi liquid surface S 0.90 60 cm S = 0,60 30 cm S= 120 30cm S = 140A beam is subjected to a negative bending moment of 20 kN-m. The cross-sectional dimensions of the beam are shown in Figure. 120 mm 40 mm 320 mm 240 mm K 40 mm 265 mm Determine the maximum bending stress produced in the cross section. Include negative sign if compression (in MPa.). 40 mm N.A. HA rigid beam is being supported by three suspender bars made of bronze and loaded as shown in the figure. The cross-sectional area of each bar is 465 mm². Determine the average axial stress in each bar. 85 kN 56 kN 2 m D 1m 1 m E 1m 1m F LL