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An alloy is made up of 199.4 lbm copper, 204 lbm zinc, and 4.2 lbm lead? What is the composition, in atom percent, of the Cu-Zn-Pb alloy
Ask question ellipse construction via foci method
Two monitoring wells were constructed in an unconfined aquifer. The wells are separated by a distance of 250 ft. The water surface elevations in the up-gradient and down-gradient wells were 101.00 and 100.85 ft, respectively.
You try to freeze one liter of water at 10 degrees Celsius in ice trays in your freezer. Your freezer has a coefficient of performance of 5.5 and a power rating of 550 Watts, though only 10% of the power will go into freezing the ice.
The state highway department is considering six routes for a new highway. Listed below are the estimated construction costs, maintenance costs, and the user cost associated with each route.
Using darcy-weisbach equation, calculate the major friction head loss for a 24 inch diameter, 120 ft long pipe that can carry water with a flow rate of 5 cfs. Assume the temperature of water is 70 deg F and the roughness of the pipe is 0.0016 ft.
The coefficients of kinetic friction between the blocks and the inclined plane are a=0.1,b=0.3. Neglect the mass of the link. Angle between the inclined plane and the surface is 30 degree.
Determine the magnitude of F2 which will cause the reaction Cy at the bearing C to beequal to zero. The bearings are in proper alignment and exertonly force reactions on the rod. Set F1 = 550 lb.
The static pressures upstream and downstream of the screen are 0.2 and 0.15 psi and are uniformly distributed over the flow cross section area. Neglecting the force exerted by the duct wall on the flowing air, calculate the screen drag force.
THE HOME DEPOT IN RED HOOK ,BROOKLYN IS LOOKING TO RENOVATE THEIR STEEL ROOF TRUSS.YOU HAVE BEEN ASKED TO DETERMINE THE CENTROID,MOMENT OF INERTIA,SECTION MODULUS AND RADIUS OF GYRATION OF THE DOUBLE ANGLE.
The probability that a new car battery functions for over 10,000 miles is .8, the probability that it functions for over 20,000 miles is .4, and the probability that it functions over 30,000 miles is .1. If a new battery is still working after 10,..
An inventor claims that an engine produces 120 kw with a fuel consumption of 20 kg/h. The energy content of the fuel is 36,00 kJ/kg. The energy is received at a mean temperature of 500C and rejected at a mean temo of 50 C.
A person on the moon wishes to determine the mass of a rock. He has a spring scale calibrated to read pounds mass at a location where the acceleration of gravity is 32.186 ft/s 2 . The rock gives a reading of 18.76 on this scale.
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