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The state of plain strain on an element is ?x = 400(10-6 ), ?y = 200(10-6 ), and γxy = -300(10-6 ). Determine the equivalent state of strain, which represents
(a) the principal strains, and
(b) the maximum in-plane shear strain and the associated average normal strain. Specify the orientation of the corresponding element at the point with respect to the original element. Sketch the results on the element.
The available relay for switching a secondary circuit requires 4 volts and has a coil resistance of 145 ohms. If a voltage divider circuit is used to reduce the voltage to activate the relay, what resistor is needed to create the necessary coil vo..
Stack gas samples were collected from a sample of 50 incinerators in Chicago. Of the 50 samples, only 18 met an environmental standard for the concentration of a hazardous compound. Can it be concluded that fewer than half of the incinerators in C..
Determine the flow rate under the dam if the equivalent hydraulic conductivity is k = 4 × 10-4 cm/s.
A certain fluidized-bed combustion vessel has an investigation cost of $ 100,000, a life of 10 years, and negligible market (resale) value. Annual costs of materials, maintenance
A simply supported beam 100 feet in length is pinned at its left end and supported on a roller at its right end. There is a uniformly distributed load of 10 kips/ft along the entire length of the beam. There is also a concentrated load of 20 kips dow..
Compute the electrical conductivity of a 7.4-mm diameter cylindrical semiconductor specimen 28 mm long in which a current of 0.20 A passes in an axial direction.
What is the maximum column load in kips that could be placed on a 4-ft square temporary footing on a sand for which the standard resistance is about N=15 and the water table is at the surface
Design a 300 + sl m long variable graded terrace for a land having an average slope of 2 %. Maximum permissible velocity of water in the terrace channel is 60 cm/sec.
What is the normal depth in a 4-foot wide rectangular channel that conveys a discharge of 100 CFS and has a bed slope of 2% with a Manning’s roughness coefficient of 0.025? a).1.3 feet b).2.7 feet c).4.4 feet d).6.2 feet
The axis of the three-hinged arch ABC is a parabola with vertex at B. Knowing that P=109.2 kips and Q=72.8 kips, determine (a) the components of the reaction at C, (b) the components of the force exerted at B on segment AB.
write solution in a organized and easy to follow matter. Will rate life saver for diagram or picture.Water leaves a treatment plant in a 500-mm diameter ductile iron pipeline at a pressure of 600 kPa
Generate a table of conversions from degrees to radians. The first line should contain the value for 0 degrees and last line should contain the value for 360 degrees. allow user to enter the increment to use between the lines in the table
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