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A W12x22 structural steel wide-flange section of ASTM A36 steel is used as an axially loaded column. Find the allowable axial compressive load using Euler's formula and a factor of safety of 2.0. The column is pin connected at both ends and is 15 ft long.
question 1 a the standard service illuminance for specific work activities is given in lux. what units are used in
Suppose that for mass transfer of species A from a fluid flowing over a flat plate the Schmidt number is much less than one (Sc
A rigid container has water of 2 kg at 120 C with a quality of 25%. The container is heated to the temperature of 140 Celsius, calculate the new quality?
For a feed rate 2000 kg/h of solution, composition 30% w/w MEK, determine the number of stages required to recover 95% of the dissolved MEK, using 700 kg/h TCE, with countercurrent flow. Tie-line data for the system MEK-water-TCE percentages w/w, ..
Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. Answer to the nearest integer.
One of the classical methods for the determination of the manganese content in steel is to convert all the manganese to the deeply colored permanganate ion and then to measure the absorption of light.
Figure shows an x-ray diffraction pattern for a-iron taken using a diffract meter and monochromatic x-radiation having a wavelength of 0.1542 nm; each diffraction peak on the pattern has been indexed.
What is the optimum practical shape for an above-ground dwelling to minimize the heat losses through the building fabric? When is (or was) this optimum shape used? Why is this optimum shape seldom used in richer societies?
Determine the molar free energy of vaporization, Delta vapG, for benzene at 75 C and 1 bar given that the molar enthalpy of vaporization of benzene at its normal boiling point of 80.09 C and 1 bar is 30.72 kJ⋅mol-1.
Assume that losses cannot be offset against revenues from other operations for tax purposes (i.e., no tax credits in years when the plant makes a loss). Estimate the following:
This is a fluid dynamics experiment involving the filling and emptying of tanks. The objectives of the experiment include: Determination of the discharge coefficient of the orifice and the equivalent length of a pipe mounted at the outlet of the two..
a distillation column fig. 1 separates 4500 kghr of a 40 benzene 60 chlorobenzene liquid mixture at 20oc. the liquid
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