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 Determine the angles  𝜃 𝑝 1  and  𝜃 𝑝 2  defining the orientations  𝑜 𝑓  the principal axes through the origin  𝑂  for the right triangle shown  𝑖 𝑛  the figure  𝑖 𝑓 𝑏 = 6 𝑖 𝑛 .  and  ℎ = 8 𝑖 𝑛 .  Also, calculate the correspond – ing principal moments  𝑜 𝑓  inertia  𝐼 1  and  𝐼 2 .
 Determine the angles θp1 and θp2 defining the orientations of the principal axes through the origin O for the right triangle shown in the figure if b=6in. and h=8in. Also, calculate the correspond- ing principal moments of inertia I1 and I2.

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A stream of aqueous methanol having 45 mol% CHOH is to be separated into a top product having 96 mol% methanol and a bottom product with 4% methanol. The feed is at its bubble point and the operating pressure is 101.3 kPa. A reflux ratio of 1.5 is suggested. (i) Determine the number of ideal trays, (ii) Find the number of real tray if the overall tray efficiency is 40%. On which real tray should the feed be introduced ? The equilibrium data for the methanol-water system at 101.3 kPa are given below. X 8 0 y 0 0.02 0.134 0.04 0.23 0.06 0.304 0.08 0.365 0.10 0.418 0.15 0.517 0.20 0.579 X y 0.30 0.665 0.40 0.729 0.50 0.779 0.60 0.825 0.70 0.87 0.80 0.915 X 0.90 0.958 0.95 0.979 1.0 y 1.0
A stream of aqueous methanol having 45 mol% CHOH is to be separated into a top product having 96 mol% methanol and a bottom product with 4% methanol. The feed is at its bubble point and the operating pressure is ...

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4–162. Wet concrete exerts a pressure distribution along the wall of the form. Determine the resultant force of this distribution and specify the height h where the bracing strut should be placed so that it lies through the line of action of the resultant force. The wall has a width of 5 m.
4–162. Wet concrete exerts a pressure distribution along the wall of the form. Determine the resultant force of this distribution and specify the height h where the bracing strut should be placed so that it lies through the line of ...

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*5–28. A linear torsional spring deforms such that an applied couple moment M is related to the spring’s rotation u in radians by the equation M = (20 u) N # m. If such a spring is attached to the end of a pin-connected uniform 10-kg rod, determine the angle u for equilibrium. The spring is undeformed when u = 0°.
*5–28. A linear torsional spring deforms such that an applied couple moment M is related to the spring’s rotation u in radians by the equation M = (20 u) N . m. If such a spring is attached to the ...

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5–26. The mobile crane is symmetrically supported by two outriggers at A and two at B in order to relieve the suspension of the truck upon which it rests and to provide greater stability. If the crane boom and truck have a mass of 18 Mg and center of mass at G1, and the boom has a mass of 1.8 Mg and a center of mass at G2, determine the vertical reactions at each of the four outriggers as a function of the boom angle u when the boom is supporting a load having a mass of 1.2 Mg. Plot the results measured from u = 0° to the critical angle where tipping starts to occur
5–26. The mobile crane is symmetrically supported by two outriggers at A and two at B in order to relieve the suspension of the truck upon which it rests and to provide greater stability. If the crane boom and truck ...

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