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A machine having a mass of 500 kg is to be raised using a wedge, as shown. The coefficient of friction on all surfaces is 0.25. Determine the force P required to raise the machine.
For the Scotch yoke mechanism of Fig. 10.35, sketch the supporting frame (link 1) of the mechanism as a free body and show vectors of forces and couple imposed on the frame by the moving parts of the mechanism in approximately the phase shown.
Evaluate the variation of hoop stresses across the wall of the compound cylinder.
Calculate the actual power transmitted to the second pulley and calculate the power which canb itted if the maximum tension in the belt is limited to half of the ultimate strength of the belt.
What is the final volume of the cylinder? Does this process violate the second law of thermodynamics?
a closed rigid container has a volume of 2 m3 and is filled with 4 kg of water at 200 kpa. heat is transferred from the
A dial-indexing table has six stations. One station is used for loading and unloading, which is accomplished by a human worker. The other five perform processing operations.
Beginning with a differential control volume in the form of a spherical shell, derive the heat diffusion equation for a one-dimensional, spherical, radial coordinate system with internal heat generation. Compare your result with Equation 2.29.
Determine the adiabatic flame temperature for the stoichiometric combustion of propane in air. Use a heat of formation of propane of -44,800 Btu/lb-mole
design 2-shell pass and 8-tube pass heat exchanger for heating ethyl alcohol from 25degc to 70degc at a rate of 2.9
it takes 15 seconds to raise a 1200 kg car and the supporting 300 kg hydraulic lift platform to a height of 2.8 m. the
Determine the maximum bending stress in the pipe due to its own weight
the rigid gate oab of fig. p2.58 is hinged at o andnbsprests against a rigid support at b. what minimum
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