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A centrifugal clutch has four shoes, each of mass 2 kg which are held on retaining springs of stiff ness 10 kN m 1 . The internal diameter of the clutch drum is 600 mm and the radius of the center of gravity of the shoes when in contact with the drum is 250 mm. The stationary clearance between the shoes and the drum is 20 mm and the coffin client of friction is 0.25. Determine (a) the speed at which the clutch starts to engage, (b) the power transmitted at a speed of 1500 rpm.
Assuming that the coefficient of friction in cutting is 0.25 for turning a hard aluminium alloy on a 20 hp lathe (mechanical efficiency = 90%) with a width of cut of 0.24 in, a rake angle of 11°, and a cutting speed of 333 ft/min. Assume the cut is a..
a circular specimen of mgo is loaded using a three-point bending mode. compute the minimum possible radius of the
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when the rubber bands of the sling shot are pulled back each rubber band is stretched 3 in. the natural length and the
a cube of aluminum 10 cm on each side is initially at a temperature of 300degc and is immersed in a fluid at 100degc.
a horizontal force f pushes a 10 kg block up a fricitionless ramp with a circular contour the radius of curvature of
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