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The centers of gravity of the 50-kg lift truck and the 120-kg box are at G1 and G2, respectively. The truck must be able to negotiate the 5-mm step when the pushing force P is 600 N. Find the smallest allowable radius of the wheel at A. Be sure to check whether the truck will tip.
An engineering student, recognizing that the "ideal gas law" requires gas velocity to be function of temperature, suggests that an easy way to increase efficiency would be to change the temperature of the exhaust gas being treated.
The two bars shown in the figure are used to support a load P. When unloaded, joint B has coordinates (0, 0). After load P is applied, joint B moves to the coordinate position (0.35 in., -0.60 in.). Assume a = 11 ft, b = 6 ft, and h = 8 ft. Determine..
A mixture of 1 mol of H2 and 1 mol of Ar is heated at a constant pressure of 1 atm until 15 percent of H2 dissociates into monatomic hydrogen (H).
The thermal conductivity of a single-crystal ceramic specimen is slightly greater than a polycrystalline one of the same material. Why is this so?
A temperature control process has a first-order response with a step response time of 12 seconds. In selecting a temperature sensor for tyhe control system for the process, for what maximum value of sensor time-constant would you be looking?
A 20 mgd wastewater treatment plants primary clarifier influent has 800 mg/l solids. the clarifier removes 18 percent of the solids. the sludge flow rate is 0.070 MGD.
To remove a nail, a small block of wood is placed under a crowbar, and a horizontal force P is applied as shown. Knowing that the maximum vertical force needed to extract the nail is 2600 N and that the horizontal force P is not to exceed 290 N, d..
A water treatment llant and the water treatment plant removes calcium hardness (Ca2+) by precipitating (making) CaCO3(s). If, after establishing equilibrium with CaCO3(s), the dissolved Ca2+ concentration is 10 mg/L and the pH is 10.5.
A person produces about 0.17 pounds of BOD per day in fecal waste. What is the population equivalent of the wastewater flow Based on this calculated population, what would the average daily wastewater production be per person
Does this law hold exactly for ideal-gas mixtures? How about nonidealgas mixtures?
Average pore water pressure in fully saturated clay specimien, which was subjected to a pressure of 20N/cm^2 initially, was measured to be 7N/cm^2 after a period of time.
Member ABC is composed of two sections. Section AB has an outside diameter of 60mm and inside diameter of 50mm, whereas section BC is solid. Find the maximum shear stress due to the 1.5kN·m torsional moment applied at B and the 2.0kN·m moment at C..
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