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Refer to the beam shown and draw complete shear and bending moment diagrams. Show ordinates at key points and indicate magnitude of shear and moment. Neglect the beam weight.
A 45 kg machine is mounted on a spring of stiffness 8x10^5 N/m. When the machine is set to vibration by a 32 Hz excitation, the machine's amplitude is measured as 1.5mm. What is the amplitude of the excitation provided to the machine? Ignore damping ..
A curved bar has a rectangular cross section with height h=(r_o)-(r_1)=50mm and width b=100mm. It's inner radius is 200mm. Find the distance between the neutral axis and the centriod.
You have a centrifugal pump with an inlet radius of 200mm, an inlet blade width of 60mm, and inlet blade angle of 50 degrees. The outlet radius is 600mm, outlet blade width is 40mm and the outlet blade angle is 70 degrees. The pump handles water and ..
The velocity profile for a film of liquid flowing down a vertical wall is given by. Where L is the thickness of the film, u is the downward velocity, xis the distance perpendicular to the wall and are the liquid density and viscosity. Sketch the velo..
Consider two large, diffuse, gray, parallel surfaces separated by a small distance. If the surface emissivi- ties are 0.8, what emissivity should a thin radiation shield have to reduce the radiation heat transfer rate between the two surfaces by a..
a 5 kg object a and a 10 kg object b undergo an oblique central impact. the coefficient of restitution is e 0.6.
What does LASER stand for - what are the conditions for lasing and calculate the maximum allowed thickness of the active layer of single transversal mode operation
A new vehicle propulsion scheme calls for the use of liquid nitrogen as "fuel". The details of the power cycle are basically liquid nitrogen is heated in contact with the atmosphere, pressurised and expanded through a turbine) .
What is the velocity and rate of flow of the metal into the mold? Is the flow turbulent or laminar? (Pure aluminum density ρ = 2.7 g/cm3).
1. Rank the magnitudes of the moduli of elasticity for the Will the diameter increase or decrease?
for a short time the 250 kg roller coaster car is traveling along the spiral track such that its position measured from
a cylindrical nuclear fuel rod of 1 cm in diameter is encased in a concentric tube of 2 cm in diameter where cooling
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