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- A polytropic process of air from 150 psia, 300F, and 1 f occurs to p-20 psia in accordance with pV3-C. Determine (a) Ta and V2. (b) AU, AH and AS, (c) pdV and-Vdp. (d) Compute the heat from the...
Problem 1 Schematic diagrams of the following measuring devices are given; a)Diaphragm type liquid level gauge b)Spring balance with electrical read out c)Float-operated fuel level gauge used in... Assume that you are moving a box with the height of b=2.7 m and width of a=1.5 m. Suddenly, the box slips from your hands and starts pivoting at the edge of a step. Find the required parameters for... Determine the stress intensity factor for the edge-cracked beam shown below when subjected to a moment of 400 ft-kips. If the beam was made from an extremely tough steel that has a yield strength of... Generate a spreadsheet that allows the user to convert the concentration of one element of a two-element metal alloy from number of atoms per cubic centimeter to weight percent. A screw jack with a 1-in. double-thread Acme screw is used to raise a load of 10,000 lb. A plain thrust collar of 2.0 in. mean diameter is used. Coefficients of running friction are estimated as 0.13... The rectangular plate is made up of 1-ft squares as shown. A 30-lb force is applied at point A in the direction shown. Calculate the moment MB of the force about point B by at least two different... Three springs are used in a parallel configuration as shown. Sketch the constitutive behavior as seen from the F-v port. Show both compression and tension. 82 8 k k F www 'T k Air flows isothermally at 60C through a constant-area duct such that the entropy increase due solely to internal irreversibilities is 0.0544 kJ/kg K. Determine . a. the heat added or removed, in... A surface profile is sinusoidal with wavelength and maximum amplitude of unity. The profile is sampled at equal intervals, with the origin on the center line at a position of zero amplitude. (a)... Design a system to pump water at 80C from a water heater to a washing system, as shown in Fig. 13.56. The desired minimum flow rate is 750 L/min (198 gal/min). FIGURE 13.56 Design Problem 2. Vent... The viscosity of liquids can be measured through the use of a rotating cylinder viscometer of the type illustrated in Fig. P1.87. In this device the outer cylinder is fixed and the inner cylinder is... In the Imperial Valley, CA, a commercial lease of 4 km2 is expected to support generating capacity of some 40 MWe, (which will require at least 250 MWt). Assuming an average heat flow of 200 mW/m2:... A composite bar is 350 mm long and consists of a copper tube butt-welded to the end face of a steel bar. The tube dimensions are 30 mm diameter x 20 mm bore x 200 mm long, and the steel bar is 30 mm... A system is equipped with two pressure gages and a manometer, as shown in Fig. P3-148. For h = 12cm, determine the pressure difference P = P 2 P 1 . Air Ah Manometer fluid SG = 2.15 Oil SG = 0.87 P:... Air at -10C flows over a smooth, sharp-edged, almost-flat, aerodynamic surface at 240 km/hr. the surface is at 10C find: a) the approximate location of the laminar-turbulent transition b) the overall... Two tugboats each exert a constant force F on the ship. These forces are always directed perpendicular to the ship?s centerline. If the ship has a mass m and a radius of gyration about its center of... A pump is driven by an electric motor through an open type flat belt drive. Determine the belt specifications for the following data.: Motor pulley diameter(dS) = 300 mm, Pump pulley diameter(dL) =... A cold room has walls constructed of 0.24 m brick on the outside, 0.15 m foam insulation in the middle and 1.6 cm of wood on the inside. The air temperature on the outside is constant at 20C, and the... The turning moment diagram for a multicylinder engine has been drawn to a scale of 1 mm = 4500 Nm vertically and 1 mm = 2.4 horizontally. The intercepted areas between output torque curve and mean... A bird is flying in a room with a velocity field of V = (u, v, w) = 0.6x + 0.2t 1.4 (m/s). The room is heated by a heat pump so that the temperature distribution at steady state is T (x, y, z) = 400... Determine the largest weight W that can be supported safely by the structure shown in the figure. The working stresses are 16 000 psi for the steel cable and 720 psi for the wood strut BC. Neglect... The wing of a small plane is represented by a simplified prismatic cantilever beam model acted on by the distributed loads shown in the figure. Assume constant EI = 1200 kN*m 2 . Find the tip... Air at -10C flows over a smooth, sharp-edged, almost-flat, aerodynamic surface at 240 km/hr. The surface is at 10C. Find (a) the approximate location of the laminar turbulent tran- sition; (b) the... What is an eccentric riveted joint? Explain the method adopted for designing such a joint? A bracket, attached to a vertical column by means of four identical rivets, is subjected to an eccentric... A shaft carries five masses A, B, C, D and E which revolve at the same radius in planes which are equidistant from one another. The magnitude of the masses in planes A, C and D are 50 kg, 40 kg and... Model an accelerometer of proof mass m, attached to a cantilever spring (k = Ewt/41 where E is Young's modulus, w is width, t is thickness, and 1 is length). Assume the mass of the spring does not... The tensile stress-strain behavior of pure aluminum is shown in graphs following. Determine the following properties for pure Al. a) Youngs modulus, b) 0.2% offset yield strength, c) tensile... At a height of 10 km (33000 ft) above sea level, atmospheric pressure is about 210 mm of mercury. What is the resultant normal force on a 600 cm2 window of an airplane flying at this height? Assume... A vehicle has the following system parameters: total mass, m (kg): 2037 wheel base, L (m): 2.794 Estimate the possible maximum speed of the vehicle on level ground and on a grade of 25% as determined... A pair of helical gears consist of a 20 teeth pinion meshing with a 100 teeth gear. The pinion rotates at 720 r.p.m. The normal pressure angle is 20 while the helix angle is 25. The face width is 40... A long, square wooden block is pivoted along one edge. The block is in equilibrium when immersed in water to the depth shown. Evaluate the specific gravity of the wood, if friction in the pivot is... Particle deposition rate J on a wafer that is parallel to airflow is given by J= nu, where n is the particle density and u is the sum of gravitational and diffusive settling velocities, - 5 x 10-cm/s... A material is to be selected for a landing gear part for a cargo aircraft and requires to able to carry a direct tensile load of 3 MN. It is roughly rectangular in cross-section of width, w, 0.2 m.... In terms of the s, s, 2s coordinates of a fixed space frame {s}, a frame {a} has its &a-axis pointing in the direction (0, 0, 1) and its a-axis pointing in the direction (-1,0,0), and a frame {b} has... A solar panel mounted on a spacecraft has an area of 1m^2 and a solar to the electrical power conversion efficiency of 12%. The side of the panel with the photovoltaic array has an emissivity of 0.8... A tapered solid steel propeller shaft is shown in Fig. 1.91. Determine the torsional spring constant of the shaft. Consider a simple three-step manufacturing process as illustrated in the given figure. Assuming that demand is 1,000 units, what is the required input to meet demand? You'll note that the required... Given the following image of a shaft, what is the critical speed of rotation in units of rad/s if the shaft has the following section lengths and deflections (y) and the centers of the given... Consider a 3-link Cartesian manipulator shown in the figure. (1) Compute the inertia tensor J; for each link i = 1,2,3, relative to the inertial reference frame assuming that the links are uniform... A small three throw crankshaft has cranks of radii 125 mm set at an angle of 120 degree with each other. And are equally spaced with a pitch of 250 mm. The revolving masses at crank radii are same...