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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?
A rigid tank contains 5 kg of an ideal gas at atm and 40° C. Now valve is open, and half of mass of the gas is allowed to escape. If the final pressure in the tank is 1.5 atm, what is the final temperature in the tank?
Two slender rods of negligible weight are pin-connected at A and attached to the 18-lb block B and the 80-lb block C. The coefficient of static friction is 0.55 between all surfaces of contact. Determine the range of values of P for which equilibr..
The middle axle is 4.5 m from the front axle and 10 m from the rear axle. Locate the center of gravity with respect to the front axle.
hot water is pumped through a plate heat exchanger. the hot water side of the heat exchanger consists of 16 plates of
A landfill operation uses a tractor to compact the waste. The tractor weighs 8 tons and has two tracks, each 2 ft 10 ft. Estimate the maximum compaction attainable in the landfill.
an iron ball is thrown into the atlantic ocean. density of iron is 7856 kgm3. density of salt water is 1020 kgm3.
a power cycle operating on 2kg of ideal argon a closed thermodynamic system consists of 3 partsa reversible isochore
Determine the angles θp1 and θp2 defining the orientations of the principal centroidal axes and the corresponding principal
brass balls each of mass 0.258 kg and initially at 130degc are quenched in a water bath at 50degc for 2 minutes at a
Use the system analysis procedure described in this chapter and construct the discrete system for heat conduction through the composite wall shown in Figure 2.9. Also, from the following data, calculate the temperature distribution in the composit..
Determine the specific volume of superheated water vapor at 15 MPa and 407°C, using the generalized compressibility chart. In m3/kg with four significant figures.
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.
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