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The collar has a mass of 2 kg and travels along the smooth horizontal rod defined by the equiangular spiral r = (eu) m, where u is in radians. Determine the tangential force F and the normal force N acting on the collar when u. = 45°, if the force F maintains a constant angular motion u = 2 rad>s.
drinking water at 10oc for an office complex must be pumped along a horizontal section of pvc pipe 50 m long at 2 ms.
The flow around a model of a turbine blade is investigated. The model is five times larger than the prototype. A maximum pressure of 4 psi is measured at the leading edge, a maximum velocity of fps is measured near the top of the blade, and a small d..
Saturated steam at 120oC is transported through a steel pipe of diameter 250 mm. The temperature of the outer surface of the pipe can also be assumed 120oC. The pipe is centeredin concrete of square cross section (400x400 mm). The outer surfaces of t..
A slender rod 0.6 m long rotates about an axis perpendicular to its length and 0.14 m from its center of gravity. If the rod has a mass of 8 kg, determine its mass moment of inertia about this axis
A hypothetical A-B alloy of composition 56 wt% B-44 wt% A at some temperature is found to consist of mass fractions of 0.5 for both alpha and beta phases. If the composition of the beta phase is 88 wt% B-12 wt% A, what is the composition of the alpha..
the throttling calorimeter is a device for measuring the state of a liquid-vapor mixture. the procedure is to bleed off
Two pounds of saturated water vapor at 400 F are condensed to saturated liquid in a piston-cylinder device. Calculate work done and heat transfer during this process, in Btu. Be sure to draw the process on a p-v diagram.
1. a commercial refrigerator keeps food fresh at -12 ordmc. it is estimated that the refrigerator removes 3300 kjhr
Assuming saturated properties out of the evaporator and condenser
for a wind speed of 6 ms a stack gas exit velocity of 20 ms a stack diameter of 4 m a heat emission rate of 15 mw and
the collecting panels of a solar boiler receive energy as heat at the rate of approximately 300 btuhr-ft2 of collecting
a turbine accepts superheated steam at 800 psia and 1200degf and rejects it as saturated vapor at 2 psia. calculate the
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