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Consider a function z(x, y) and its partial derivative (∂z/∂y)x. Under what conditions is this partial derivative equal to the total derivative dz/dy?
Write a program that will ask for the part number for two different parts (i.e. PX_12345, and ABC_329). Display these parts in ONE message box, in numerical order (i.e. the segment of the part number to the right of the underscore character).
The composition of moist air is given on a molar basis to be 78 percent N2, 20 percent O2, and 2 percent water vapor. Determine the mass fractions of the constituents of air.
The surface energy of a single crystal depends on crystallographic orientation. Does this surface energy increase or decrease with an increase in planar density
The bracket ABC can be supported in the eight different ways shown. All connections consist of smooth pins,rollers, or short links. For each case, answer the questions listed in Prob.4.59,and, whenever possible
an investment of $80,000 is projected to generate escalated dollar net revenues (income minus costs) of $10,000 in year one, $30,000 in year 2 and $40,000 in year 3 with a $100,000 salvage value at the end of year
If the plant uses sodium hypochlorite instead, what volume of NaOCl will be needed? Assume that the dry density of NaOCl is 1.2 kg/L and that 1 mg/L of dissolved NaOCl is equivalent to 1 mg/L of dissolved Cl2.
Measure the horizontal distance lengths of traverse legs using pacing, surveyor's tape and total station - familiarise with the use of GPS to measure coordinates and other computations (i.e. Slope and horizontal distances, area, perimeters etc.)
assuming that the velocity variation within the main channel and the floodplain subsections is much smaller than the change in mean velocities between subsections, find the value of the kinetic energy correction coefficient.
For the eccentric shear loading of the accompanying figure, 7/8 inch diameter A325 bolts are used in two vertical lines in a bearing-type (A325-X) connection. The loading is 10 kips dead load and 30 kips live load.
The mass m, stiffness k, and natural frequency fn of an undamped SDF system are unknown. These properties are to be determined by harmonic excitation tests. at an excitation frequency of 4 Hz, the response tends to increase without bound.
For a temperature of 10 degree C, calculate the time needed for the following particles to settle 0.3m: a) a 20um mineral particle with a specific gravity of 2.1, and b) a 2 um organic particle with a specific gravity of 1.2
Air undergoes a polytropic expansion process in a piston-cylinder assembly from 75 psia and 300 F to 15 psia. Employing the ideal gas model with constant specific heat ratio k
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