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A homogeneous cylinder with weight G and radius R lay on a rough horizontal floor and adjoins to a rough vertical wall. What conditions must be satisfied by the force F enclosed to a point A of the cylinder to keep it in equilibrium. The coefficient of friction between the cylinder and the floor is f. The coefficient of friction between the cylinder and the wall is f too.
consider a concentric tube annulus for which the inner and outer diameter are 25 and 50 mm. water enters the annular
Compute the x-and y-components of the force acting on the pinB connecting the two members of the machine subjected to the 200-N load.
Describe the physical properties of water that are relevant to its critical roles in plant physiology.
a gas-turbine power plant operates on the simple brayton cycle between the pressure limits of 100 and 800 kpa. air
consider a well insulated container of total volume v.a initially the container is divided into 2 equal parts using a
A) Calculate the velocity in the tunnel test section. B) Compute the total pressure at the test section.
The uniform 6-kg slender rod rests on the top center of the 3kg block. If the coefficients of static friction at the points of contact are ua=.4 and ub=.6, and uc=.3, determine the largest couple moment M which can be applied to the rod without ca..
Compute the coordinates of the midpoint of the couple DE. Use Maple to plot the coupler curve for this point as a function of the input angle θ and calculate the mobility of the linkage
Refrigerant 134a at 700 kPa and 40oC is expanded adiabatically in a closed system to 60 kPa. Determine the work produced, in kJ/kg, and final enthalpy for an isentropic expansion efficiency of 80.
a hot dog can be considered to be a cylinder 12 cm long and 2 cm in diameter whose properties are rho 980 kgm3 cp 3.9
A long electric wire of radius r0 generates heat at rate of q'''. The surface is maintained at uniform temp of T0. Write heat equation and boundary conditions for steady state one dimensional conduction.
Steam enters a diffuser at 20 psia and 240oF with a velocity of 900 ft/s and exits as saturated vapor at 240oF and 100 ft/s. The exit area of the diffuser is 1 ft2. Determine (a) the mass flow rate of steam and (b) the rate of entropy generation.
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