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Determine the required wing area for a 1350-kg airplane to cruise at 125 km/h if the airfoil is set at an angle of attack of 2.5°. The airfoil has the characteristics shown in Fig. 17.11. The cruise altitude is 5000 m in the standard atmosphere.
A knowing that the normal stress magnitude in each link is not to exceed 24 ksi, the shearing stress in pin F is not to exceed 15 ksi, and the deflection of point A is not to exceed .08 in.
If pulling on an elastic rod causes it to contract perpendicular to the stretch direction (i.e. become thinner), is that proof of anisotropy? Or could the material be isotropic?
A piston-cylinder assembly contains 2 lb of water, initially at 300°F. The water undergoes two processes in series: constant-volume heating followed by a constant-pressure process. At the end of the constant-volume process, the pressure is 100 lbf..
a bucket of mass 2.0kg is whirled in a vertical circle of radius 1.1m. at the lowest point of its motion the tension in
the coefficient of friction between the load and the flat-bed trailer shown is 0.4. knowing that the speed of the rig
the turbine rotor in the power plant of a ship as shown in fig. 3 has a weight of 12.75 kn with centre of gravity at g
The rigid L-shaped member ABC is supported by a ball and socket at A and by three cables. Determine the tension in each cable and the reaction at A caused by the 242 kg load applied at G.
Draw the T-s diagram (hint: it would help to begin with a schematic of the cycle) and.
a hot iron block at 300 ordmc of sides 15 cm by 20 cm by 25 cm is placed on insulated horizontal surface with its 15 cm
A Rankine cycle power plant is being developed to operate an irrigation system. In this power plant solar energy will be used to boil a low boiling point fluid within glazed flat plate solar collectors. The working fluid that has been selected is the..
0.75 kg of Refrigerant 134-a is compressed in a compressor from 160 kPa and -10°C to 1.2 Mpa and 50°C, steadily. Determine the change in flow exergy of the refrigerant during this process, if the environment is at 100 kPa and 25°C.
the work and the heat per degree change of temperature for a system executing a non-flow process are given by dwdt 80
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