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1. Given two rectangular ducts with equal cross-sectional area, but different aspect ratios (width/height) of 2 and 4, which will have the greater frictional losses? Explain your answer. A viscous oil with a specific gravity SG = 0.85 and a viscosity of 0.10 Pa · s flows from tank A to tank B through the six rectangular slots indicated in Fig. P8.68. If the total flowrate is 30 mm3 /s and minor losses are negligible, determine the pressure in tank A.
water flows as two free jets from the tee attached to the pipe shown below. thenbspexit speed is 15 ms. if viscous
Determine the pressure value as indicated by the Bourdon-tube gage at the top of the tank. Assume irrotational flow.
Determine the moment of inertia IBB of a trapezoid having bases a and b and altitude h with respect to its base (see Case 8, Appendix D).
two machines are used for filling glass bottles with a soft-drink beverage. the filling process have known standard
A window-mounted room air conditioner removes energy by heat transfer from a room and rejects energy by heat transfer to the outside air. The air conditioner cycle requires a power input of 0.434 kW and has a coefficient of performance of 6.22.
A spark-ignition engine has a compression ratio of 7.9, an isentropic compression efficiency of 83.3%, and an isentropic expansion efficiency of 95.9%. At the beginning of the compression the air in the cylinder is at 13 psia and 60 °F. The maximum g..
In the paragraphs that follow, answers are provided to a number of key questions about desogestrel-only pills. What is the desogestrel-only pill?
The maximum torque produced by the engine of the car occurs at 4750 rpm, when the engine is generating 286 HP. The designer followed the following method and chosen steel shaft having yiled stress at 80,000 psi and a factor of safety = 4.
NES/Famicom Super Mario Brothers scaling. Small Mario (figure a) has a height hM = 1.5 m, and while he is underwater runs along the ground with a speed VM = 0.5 m/s. Super Mario (figure b) is twice the height of Small Mario. How fast must Super Mario..
a water kettle has 1 kg of saturated liquid water at p0 . it is on an electric stove that heats it from a hot surface
If a wave at twice the lowest TE cutoff frequency propagates along the waveguide, calculate the wave impedance for the TE and TM modes and compare with the wave impedance for TEM modes.
considering a river flowing toward a lake which is 40 m below. it is known that the river flows at a constant velocity
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