ENGINEERING FUNDAMENTALS
ENGINEERING FUNDAMENTALS
6th Edition
ISBN: 9781337705011
Author: MOAVENI
Publisher: CENGAGE L
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Chapter 6, Problem 39P
To determine

Find the appropriate unit for c1.

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1. Liquid Carbon Tetrachloride (CCL4) having a volume of 387 liters has a mass of 600kg. Determine the following: a. The weight of Carbon Tetrachloride b. The unit weight of Carbon Tetrachloride 2. In the figure shown, determine the difference in pressure between points A and B. 0.82- Air s = 0.0012 Kerosene, s = Benzene B°. 250 mm S- 0.88 100 mm °A 200 mm 150 mm 90 mm it 1 Mercury Water ww 00 中| 310 mm
A rigid bar of weight W = 815 Ib hangs from three equally spaced wires-two of steel and one of aluminum (see figure). The diameter of the wires is W = 815 lb What temperature increase AT (in °F) in all three wires will result in the entire load being carried by the steel wires? Before the wires were loaded with W and before the temperature increase AT, all three wires had the same length. (Assume E, = 30 x 106 psi, a. = 6.5 x 10-6/°F, and a = 12 x 10-6/0F.) oF
Dynamic viscosity (u) relates the deformation rate of a fluid in response to a shear stress. Common approximations of the viscosity of gases as a function of temperature are: (i) power law μ/μ₁~ (T/To)" and (ii) Sutherland law: μ/μ (T/T₁)³/² (To+S)/(T+S), where n and S are constants, and μ is the reference viscosity at a reference temperature To; for air, n≈ 0.7, S≈ 110 K, and μ₁ ≈ 1.71-10-5N s/m² at To = 273.16 K. For liquids, a common approximation is given by In(μ/μo)~ a + b(To/T) + c(To/T)², with a, b and c constants; for water at To 273.16 K, Ho 0.001792 kg/(ms), a ≈ -1.94, b≈ -4.80 and c≈ 6.74. a. ) Using the different approximations provided above, produce one plot (by means of the computational tool of your choice, such as gnuplot, Matlab, Microsoft Excel, LibreOffice Calc, etc.) that shows μ/μo as a function of T [K] for air and water in the temperature range T€ [250, 500] K. Use the same reference temperature To = 273.16 K for both fluids, and annotate the plot clearly (with…

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ENGINEERING FUNDAMENTALS

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