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As can often be seen in a kitchen sink when the faucet is running, a high-speed channel flow (v1, h1) may ''jump'' to a low-speed, low-energy condition (v2, h2).
The pressure at sections 1 and 2 is approximately hydrostatic, and wall friction is negligible. Use the continuity and momentum relations to find h2 and v2 in terms of (h1, v1).
Determine the temperature at which water in an uncovered pan boils in Denver. Answer: 94.6°C.
Methane gas (CH4) enters a compressor at 298 K, 1 bar and exits at 2 bar and temperature T. Employing the ideal gas model, determine T, in K, if there is no change in specific entropy from inlet to exit.
a particle of mass m is projected from point a with an initial velocity v0 perpendicular to line oa and moves under a
A car having a mass of 5500 kg is pulled slowly up a steep inclined track by a steel cable (see figure). The cable has an effective cross-sectional area of 320 mm2, and the angle of the incline is 310.
Determine the expected diffraction angle for the first-order reflection from the (310) set of planes for BCC chromium when monochromatic radiation of wavelength 0.0711 nm is used.
Replace these forces with a single equivalent force R. Show the result on a sketch of the eye bolt.
water at 25 degrees c enters a heat exchanger at 0.1 kgs and exits at 50 degrees c. kerosene enters the other side of
A resistance seam-welding operation is performed on two pieces of 2.5-mm-thick austenitic stainless steel to fabricate a container.
The flow rate of liquid metal into the downsprue of a mold = 1 liter/sec. The cross-sectional area at the top of the sprue = 800 mm2and its length = 275 mm. What area should be used at the base of the sprue to avoid aspiration of the molten metal?
Compute the value of the damping coefficients for ? = 0.1
At a given section a shaft is subjected to a bending stress of 20 MN/m2 and a shear stress of 40 MN/m2. Determine: the directions of the principal planes
a refrigerator should remove 500 kj from some food. assume the refrigerator works in a carnot cycle between -10 degrees
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