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A 12-in. length of aluminum tubing (with properties of E = 10.4 x 106 psi and α = 12 x 10-6 per degree Fahrenheit) having a cross-sectional area of 1.5 in.2 is installed with "fixed" ends so that it is stress-free at 60°F. In operation, the tube is heated throughout to a uniform 260°F. Careful measurements indicate that the fixed ends separate by .008 in. What loads are exerted on the ends of the tube, and what are the resultant stresses?
The exposed surface (x = 0) of a plane wall of thermal conductivity k is subjected to microwave radiation that causes volumetric heating to vary as where q"0 (W/m3) is a constant. The boundary at x = L is perfectly insulated, while the exposed sur..
suppose another stone is thrown horizontally from the same building. if it strikes the ground 67 m away find the
an air standard cycle with variable specific heats is executed in a closed system and is composed of the following four
the acceleration of a particle traveling along a straight line is a8-2s ms2 where s is in meters. if v0 at s0 determine
A balloon behaves so the pressure is P = C2V1/3, C2 = 100 kPa/m. The balloon is blown up with air from a starting volume of 1 m3 to a volume of 3 m3. Find the final mass of air assuming it is at 25oC and the work done by the air.
1. A vessel initially containing 1 kmol of CO and 4.76 kmol of dry air forms an equilibrium mixture of CO2, CO, O2, and N2 at 3000 K, 1 atm. Determine the equilibrium composition.
A mass m is attached to a cord that is under a tension T, as shown in Fig. 2.67. Assuming that T remains unchanged when the mass is displaced normal to the cord,
write a computer program that plots the contour lines of sigma1 sigma2 on a 2d rectangular beam. sigma represents the
The aim of this project is to identify lessons learned and critical success factors that can be used to improve project management performance for infrastructure projects. Your Final Project includes two major sections: a comparative analysis and ..
structure of body- centered cubic bcc crystal.a. the body-center atom in a conventional bcc unit cell has
natural gas with a lower heating value lhv of 45000 kjkg is burned on a gas stove with a combustion efficiency of 94.7
water is supplied steadily at 150 ft2s to a hydraulic turbine through a 3ft diamter inlet pipe and discharged through a
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