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A built-up cantilever beam having a bending stiffness of 200 N/m supports a mass of 2 kg at its free end. The mass is displaced initially by 30 mm and released. If the amplitude is found to be 20 mm after 100 cycles of motion, estimate the hysteresis-damping constant ß of the beam.
Rotation of bar OA is controlled by the lead screw which imparts a horizontal velocity v to collar C and causes pin P to travel along the smooth slot. Determine the values of r dot and theta dot, where r = OP, if h = 160mm, x= 120mm and v = 25 mm/s a..
hot air at atmospheric pressure and 80oc enters an 8-m long un-insulated square duct of crosssection 0.2mx0.2m and
Consider a homogenous isotropic solid. Assume that all relevant properties do not depend on temperature and position within the solid. Derive the heat conduction (diffusion) equation in The rectangular coordinate system. Cylindrical coordinate system..
Determine Fourier Number, Compare two identical steel spheres, except the first has a two inch diameter while the second sphere has a four inch diameter. The larger sphere will have a Fourier number approximately
in a steam power plant some steam from the turbine is bled off stream 1 and used in a mixing chamber to heat sub-cooled
a tensile force of 8 kn is applied to the ends of a solid bar of 7.35 mm diameter. under load the diameter reduces to
an automobile traveling at 90 kmhr rounds a long sweeping curve of radius 250m. the air conditioner is on and the
A 74 wt% Ni-26 wt% Cu alloy is heated to a temperature within the ? + liquid phase region. If the composition of the phase is 80 wt% Ni, using figure 10.3
what is meant by the mechanical loss coefficient ? of a material? give examples of designs in which it would play a
Estimate the top-height settings along the test section from x = 0 at section CD to x = 254 mm at section downstream.
If the maximum shear stress is limited to one-half of its yield strength and the fillet radius is 0.3 in, what is the maximum torque that can be applied? What power could be transmitted by a similar shaft rotating at 400 rpm?
What will be the reactions of the inner and outer wheels when travelling at a speed of 60 km h 1 around a level curve of radius 80 m.
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