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A rookie crew put in the final kilometer of iron rail for a stretch of railroad. They completed the installation when the temperature was 20 degrees Celsius. When the temperature rose to 25 degrees Celsius, the rail buckled into an isosceles triangle because they had not left an expansion gap. How high was the buckle?
A rectangular channel is to carry 200 cfs. The mean velocity must be greater than 2.5 fps. The channel bottom width should be about twice the channel depth. Find the channel cross section and the required channel slope.
The bar under the applied force is now 2.448 meters long. Calculate the following for the bar: a) engineering stress, b) engineering strain, c) true strain, d) Young's modulus, e) What additional information would you need to calculate the true st..
Given that the seperation distance between the charges is 5m, q1 = -3q2, find the position where the net electric field is zero. Do not use infinity.
Indoor air quality is an under appreciated health hazardous. The air quality in a building can be modeled as a CSTR. Suppose that the carpet in a new office building releases formaldehyde at a rate of 10 micrograms per hour.
determine the torsional buckling stress for the compression member if the length is 4m and cross section is the form shown. the ends are restrained such that there are not free to warp.given A:5646mm2 Ix:42.63Mmm4 Iy:14067Mmm4 E:210kN/mm2 G:80kN/m..
A 3000-lb car has a maximum speed (at sea level and on a level, paved surface) of 140 mi/h with 16" radius wheels, a gear reduction of 3.5 to 1, and a drivetrain efficiency of 92%. It is know that at the car's top speed the engine is producing 220..
A bank is offering to sell 6-month certificates of deposit for $9800. At the end of 6 months, the bank will pay $10,000 to the certificate owner. Compute the nominal annual interest rate and the effective annual interest rate
Draw the shear diagram for the shaft. The bearings at and exert only vertical reactions on the shaft
A cylindrical pressure vessel with hemispherical ends has a 2.5-m radius and a 5-mm wall thickness. It contains a gas with pressure pi = 6×10 5 Pa and the outer wall is subjected to atmospheric pressure p 0 = 1 × 10 5 Pa.
Describe the reasons for enhancing drainage and situation where it is required. Explain some of the detrimental effects of drainage. Describe the types of drainage system indicating suitability criteria. 200- 250 word limit
A rectangular block of aluminum 30 mm × 60 mm × 90 mm is placed in a pressure chamber and subjected to a pressure of 100 MPa. If the modulus of elasticity is 70 GPa and Poisson's ratio is 0.333
The annual rainfall in basin follows a normal distribution with the mean value of 80 cm and standard deviation of 10 cm. What is the probability that annual rainfall exceeds 100 cm in any year
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