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Oil at 80°F, density r = 56.8 lbm/ft3 and viscosity m = 0.0278lbm/ft.s is flowing steadily in a 0.5in diameter 120ft long pipe. The pressure at the pipe inlet is 120 psi and at the outlet is 14 psi. Determine the flow rate of oil through the pipe assuming that (a) the pipe is horizontal (b) inclined 20° upwards.
for the water-channel flow of the figure h1 1.5 m h 4 m and v1 3 ms. neglecting losses and assuming uniform flow at
a cylindrical bar of aluminum 19 mm 0.75 in in diameter is to be deformed elastically by application of a force along
an automobile of weight w that has a wheel base of lenght l during fourwheel braking. the center of gravity is a
the flow rate of liquid metal into the downsprue of a mold 1 ls. the cross-sectional area at the top of the sprue 800
a well contains methane gas occupying the upper 6000 ft of annulus. the mean gas temperature is 170of and the surface
river water flows through a 8-ft diameter pipe f 0.030 that is 2000-ft long. it is delivered to a powerhouse 700-ft
a refrigerator uses 134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle. the
water specific heat 4.2 kjkg c at the rate of 120 kgmin is heated from 20 to 70 c by an oil having a specific heat of
The diffusivity of copper in a commercial brass alloy is 10^-20 m2/s at 400 degrees C. The activation energy for diffusion of copper in this system is 195 kJ/mol. Calculate the diffusivity at 600 degrees C.
Three kilograms of nitrogen (N2) initially at 47C and 2 bar is contained within a rigid, insulated tank. The nitrogen is stirred by a paddle wheel until its pressure doubles. Employing the ideal gas model with constant specific heat evaluated at 300K..
an isolated system consists of a closed copper vessel of mass 0.1 kg containing 1 kg of liquid water each initially at
a ceramic has k0.8 wmk. if this ceramic is shaped into a cylinder with a porosity distribution given by p.1xl1-xl where
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