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Determine the tensile strength of this alloy. Compute the modulus of resilience. What is the ductility, in percent elongation?
During the packaging process, a can of soda of mass 0.4 kg moves down a surface inclined 20 degrees relative to the horizontal. The can is acted upon by a constant force R parallel to the incline (a
What is the maximum load that may be applied to a specimen with a cross-sectional area of 130 mm2 (0.2 in.2) without plastic deformation?
Consider an aorta that has a circular cross section with a diameter of 5mm and a length of 10cm. Assume that the density of blood is 1.06 gm/cm3. Cardiovascular effort/flow units are effort (mmHg) a
If the exit pressure is 200 kPa, and the inlet volumetric flow rate is 100 L/min, then what is the exit temperature? You may assume ideal gas behavior, and neglect changes in kinetic and potential e
Two site are being considered for wind power generation. In the first site, the wind blows steadily at 7 m/s for 3000 hours per year, whereas in the second site the wind blows at 10 m/s for 2000 hou
The exit temperature of the water is 25OC, then what is the exit temperature of the R134a. If still a saturated mixture, what is the exit quality?
Dry air enters an industrial dryer with a pressure of 101 kPa, a temperature of 250*C, and a mass flow rate of 2.6kg/hr through a duct with a cross-sectional area of 0.85m^2.
Air enters and air compressor at a steady volume flow rate of 45 m^3/min. The air pressure increases from 100 to 700 KPa while heat is removed from the air at a rate of 20kW.
A closed system consisting of 14.5 lb of air undergoes a polytropic process from p1 = 80 lbf/in^2, v1= 4 ft^3/lb to a final state where p2 = 20 lbf/in^2, v2= 11ft^3/lb. Determine the amount of ener
The liquid water stream enters at 60 psia and 60F, then determine the mass flow ratio of liquid water to superheated steam in order to have the desired exit stream quality. The exit pressure is 55 p
A steam turbine operates with 1.6 Mpa and 350 degree c steam at its inlet and saturated vapor at 30 degree c at its exit. the mass flow rate of the steam is 16 kg/s,and the turbine produces 9000kW o
A game consists of tossing disks onto a table marked in squares of side a. If the disk does not touch any line or edge, the player wins. It is assumed that the player can at least hit the table.
Calculate the work done when a gas expands from 350kPa and 0.03m3 to a final volume of 0.2m3 for the case of n=1.5!.
A the engineer, you know that the metallurgical temperature limit for the blades in the turbine is 1900R before they will incur excessive creep. What is the maximum efficiency for this plant?
The heat flux through a 1-mm thick layer of skin is 1.05 x 104 W/m2. The temperature at the inside surface is 37°C and the temperature at the outside surface is 30°C.
A truck is on a 30 degree incline and accelerating uphill at 2 m/s^2. What is the force acting on the back wall of the truck which has a width of 1 meter?
A gate having the cross section shown in Fig. below closes an opening 5 ft wide and 9 ft high in a water reservoir. The gate weighs 400 lb, and its center of gravity is 1 ft to the left of AC and 2
Consider a large classroom on a hot summer day with 150 students, each dissapating 60W of sensible heat. All the lights, with 6.0kW of rated power, are kept on. The room has no external walls, and t
Consider a heat exchanger that uses hot air to heat cold water. Air enters this heat exchanger at 20 psia and 200 degrees F at a rate of 100ft^3/min and leaves at 17 psia and 100 degrees F.
An individual weighs 150 lbf at sea level on earth. Calculate the mass of the individual in lbm on earth. Calculate this person's weight, in N and lbf, on the surface of the moon where the accelerat
A submarine is cruising in the ocean at a depth of 320 m. Salt water has a specific gravity of 1.03. Determine the pressure on the hull of the submarine in Pa and psia.
The position of a particle along a straight line is given by s=(1.5t^3 - 13.5t^2 + 22.5t) ft, where t is in seconds. Determine the position of the particle when t=6 s and the total distance it trave