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A three-point bending test is performed on a glass specimen having a rectangular cross section of height d=5mm and width b=10mm; the distance between support points is 45mm.
A) compute the flexural strength of the load at fracture is 290N.
B) the point at maximum deflection delta(y) occurs at the center of the specimen and is described delta(y)=FL^3/48EI, where E is the modulus of elasticity and I is the cross-sectional moment of inertia. compute delta(y) at a load of 266N.
The roadway follows the equation (x^2/(60m)^2) + (y^2/ (40m) ^2) = 1 where x and y are in meters. Find the maximum acceleration experienced by the cars. Hint: begin by making a sketch of the ellipse.
A fluid film 0.1 mm thick separates solid and surface. The fluid viscosity is 0.04 N*sec/m^2. Assuming the velocity distribution in the film is linear, find the terminal velocity of the block. The area of the cube in contact with the film is 0.25 ..
what is elastic wave tomography , flat jack, push shear test in masonary?
How many gallons of mercury (sg=13.54) would weight the same as 5 gallons of castor oil which has a specific weight of 56.69 pcf?
Soil material is being assessed as a possible liner for a sanitary landfill. A soil core was collected and brought to the laboratory. A 10-cm tall section of soil has 2 cm of water continuously ponded on it. The area of the core surface is 78 cm^2..
Two glass capillary tubes of inside diameters of 20 and 13 microns are used to test the capillary rise in an annular cross section .The wall thickness of each capillary is 2 microns .The smaller capillary tube is inserted in the larger one so that..
Design a simply supported one-way reinforced concrete floor slab to span 10 ft and carry a service live load of 175 psf and a service dead load of 25 psf. Use fc' = 3000 psi and fy = 60,000 psi.
for a uniformly loaded square area, what is the stress to load ratio at a depth of 2B below the CENTER of the loaded area
Two box culverts each is 0.61 m by 0.61 m and has n = 0.013, Ke = 0.05, Cd = 0.85, L = 30 m, So = 0.7%, and HW = 1.5 m. a. What is the design flow capacity for free outlet condition b. What is the design flow capacity for tailwater of TW = 1 m
Beam Deflection Solution, Derive an expression for the deflection due to shear for a cantilever beam of constant rectangular cross section, under action of a point load, P at free end.
Assume that the cord used in a bungee jump behaves like a linear spring when it is stretched with a spring constant of 80 lb/ft. A 180 lb student is going for a bungee jump off the Canyon Creek bridge in Washington state.
If log KSO, calcite (CaCO3(s)) = -8.61 at 50 oC, would calcite be over- or under- saturated in a hot water heater at 50 oC if the water was in equilibrium with calcite at 25 oC (log KSO = -8.30) when it entered the house
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