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A cantilever beam AB has a rectangular cross section and is loaded by a force P at an angle α that acts at the centroid of the cross section. Two strain gages are placed at point C, which is at mid-height of the beam. Gage D measures the strain in the horizontal direction and gage E measure the strain at an angle β. The measured strains are εD = 145 x10-6 and εE = 165 x10-6, respectively. Find the force P and angle α, assuming the material is steel. The self weight of the beam can be neglected. Screen Shot 2015-04-17 at 6.17.59 AM.png
Use the given values of ν = 1/3, β = 60°, b = 20 mm and h = 175 mm.
An investor bought a tax-free provincial bond, at a cost of $1000 which will pay $50 interest each year for 20 years. The bond will mature in 20 years and return the original $1000.
Water flows steadily through a horizontal nozzle. The nozzle inlet diameter is 6 in. At the nozzle outlet, where the pressure is atmospheric, the diameter is 2 in. Determine the pressure head at the nozzle inlet to produce a water jet velocity of ..
The VMA of a mixture is 15.0% and the air voids are 4.0%.If the aggregate has a specific gravity (bulk dry) of 2.700 g/cm3 and percent binder absorbed (by the mass of aggregate) is 0.5%, calculate the asphalt content by weight of mix.
The pressure on the back side is negative; its magnitude is 0.5 times the (negative) stagnation pressure on the back side. Determine the drag coefficient for the sign type
Find the mass of air in a closed chamber measuring 35 ft by 20 ft by 10 ft, when the pressure is 17 lb/in^2 and the temperature is 75°F, assuming air to be an ideal gas
Outflow of water occurs from a cylindrical tank with a hole at the bottom. Find the height of the water in the tank at any time if the tank has a diameter 2 m, the hole has diameter 1 cm, and the initial height of the water when the hole is opened..
Part of a vertical piping system consists of 8 ft of 4 in diameter, connected to 8 ft of 3 in diameter above, and connected to 8 ft of 2 in diameter above that. Water at 60 F flows up the pipe (no downward flow occurs).
Design a 3-meter cantilever slab to carry a uniform total dead load of 8.2KN/m2 and a concentrated live load at the free end of 30 KN/m. f'c=28Mpa fy=420Mpa.
A body with a mass of 250 kg is supported by the flexible cable system. Determine by analysis which of the cable A, B, C, or D has the largest tension.
Calculate the area of a piece of property bounded by a traverse and circular arc with the following coordinates at angle points: A (1275.11, 1356.11), B (1000.27,1365.70),C
A city is considering a 3 stage membrane system to treat brackish groundwater at its water treatment plant, WTP (Qf=1000m^3/d, Cf=2000mg/L TDS). Each stage can perform 60 % water recovery (Qp/Cf) and 90% salt rejection (1-Cp/Cf)
Two reservoirs are connected with a 30" diameter pipe with a length of 19,680 ft. The water surface elevation in the upper reservoir of the upper reservoir is 984 ft, lower reservoir 886 ft and the elevation at the midpoint is 918 ft.
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