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(QUESTIONS)
1. Determine the gravity force W that can be sustained by the force F acting on the piston of the Figure.
2. Neglecting the mass of the container find the force F tending to lift the circulartop AB.
3. For isothermal air at O °C, determine the pressure and density at H = 3000 m when the pressure is p0 = 0.1 MPa abs at sea level (gas constant R = 287 Nm/(kgK).
4. In the Figure the liquids at A and B are water (pw) and the manometer liquid is oil (po) h1 = 300 mm; h2 = 200 mm; h3 = 600 mmFind pressure difference PA - PB.
5. h1 = 1.3 m; h2 = 1.5 m; h3 = 1 m Find the gauge pressure in point A.
A polutry farm owns 100 laying hens. Each week a hen can either lay 12 eggs or hatch 4 eggs, but not both. At the end of the four-week period all eggs and chicks will be sold: an egg will bring 10 cents, and a chick will bring 60 cents.
air enters an adiabatic nozzle steadily at 300 kpa 200degcand 28 ms and leaves at 100 kpa and 168 ms. the inlet area of
what are the higher and the lower heating values of a fuel? how do they differ? how is the heating value of a fuel
The weight of the automobile, with the driver, is 1500 lb and the damping ratio of the suspension is to be 0.05. Use a single-degree-of-freedom model for the automobile.
Figure shows the forces exerted by the soil pressure on a typical I-ft length of a concrete tunnel as well as the design load acting on the top slab.
refrigerant 134a at -10degc 1.4 bar and a mass flow rate of 280 kghr enters an insulated compressor operating at steady
Two identical circular cylinders, of radius r and mass m each, are connected by a spring, as shown in Fig. 5.57. Determine the natural frequencies of oscillation of the system.
a crate containing 40 bricks each of mass 1.3kg is placed on a storage framework as shown.a calculate the reaction
A piston-cylinder device has a volume of 0.1 cubic meters and contains 0.5kg of steam at 0.4 MPa. Heat is transferred to the steam until the temperature is 300 degrees Celsius
a reversible heat engine operating a 1500 f source and the atmosphere at 0 f produces work to drive a reversible heat
Calculate the actual power transmitted to the second pulley and calculate the power which can be transmitted if the maximum tension in the belt is limited to half of the ultimate strength of the belt.
If the bolts have a diameter of 3/8 in., and the load is P = 20 kips, determine the average shear stress on the bolt surfaces that are subjected to direct shear.
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