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1. The semicylindrical shell of mass m and radius r is rolled through an angle () by the force P which re- mains tangent to its periphery at A as shown. If P is slowly increased, plot the tilt angle () as a function of P up to the point of slipping. Determine the tilt angle ()max and the corresponding value Pmax for which slipping occurs. The coefficient of static friction is 0.30.
2. A heavy cable with a mass of 12 kg per meter of length passes over the two fixed pipes 300 m apart on the same level. One end supports a 1600-kg cylinder. By experiment it is found that a down- ward force P of 60 kN is required to induce slipping of the cable over both pipes at a constant rate. Determine the coefficient of kinetic friction µ,k between the cable and the pipes, the maximum tension T in the cable between the pipes, and the sag h in the cable.
a well-insulated turbine operating at steady state develops 28.75 mw of power for a steam flow rate of 50 kgs. the
A solid cone of radius R and vortex angle 2θ is to rotate at an angular velocity, ω .An oil of dynamic viscosity µ and thickness ‘t' fills the gap between the cone and the housing. Determine the expression for Required Torque.
Mechnical Vibration Analysis, How do I deduce the value of the viscous damping factor? How do I deduce the value of the viscous damping coefficient c?
A 5 1/8 oz baseball traveling at 89 mph rebounds off of a bat with a speed of 161 mph. The ball is in contact with the bat for roughly 10^-3 seconds. The incoming velocity of the ball is horizontal and the outgoing trajectory forms an angle of 33 deg..
an adiabatic compressor compresses air from atmospheric pressure and 70 degf at a rate of 10000 acfm actual cubic feet
For the conditions shown on the sketch, will the maximum temperature in the chip exceed 85°C, the maximum allowable operating temperature set by industry standards? A grid spacing of 3 mm is suggested.
an inward radial flow turbine is to develop 400 hp when supplied with air at 800c and 3 bar abs the exhaust total
the wheel in fig. 10-27 has eight equally spaced spokes and a radius of 30 cm. it is mounted on a fixed axle and is
Consider the Helmholtz coil configuration shown in Fig. 2. Here R = 0.2 m,I = 10 A, and there are N = 100 windings in each coil. You can neglect the thickness of each coils windings so that its dimensions are fully specified by R.
Suggest how you would go about validating a password protection system for an application that you have developed. Explain the function of any tools that you think may be useful.
Determine the minimum no of teeth required on pinion in order to avoid interference which is to gear with 1 a wheel to give a gear ratio of 3 to 1
a rigid 1.0 m3 tank contains water initially at 120oc with 50 liquid and 50 vapor by volume. a pressure-relief valve on
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