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1.Determine θ so that the avg. stress in AC is twice thatof AD. What is the magnitude of stress in each rod? The diameter of each rod is as follows: AD 0.3in, AC 0.25in, AB0.35in
2.A distance of 72.55ft. is recorded. A steel tape is supported atthe ends with a tension of 15 lb. and weighting 0.016lb/ft2 . Find the distance corrected for sag.
What diameter of vertical tube would allow mayonnaise ( p = 1200 kg/m3) to flow under its own weight
The acceleration of a particle along a straight line is defined by a=(2t-9)m/s^2, where t is in seconds.At t=0, s=1m, and v=10 m/s. When t=9s, determine the particles position, the total distance traveled, and the velocity.
An engineer has to design a rod made with the same steel to carry a load of 150 kips without yielding. He desires to have a factor of safety against yielding of 1.5. What should be the cross-sectional area of the circular rod
On a flexible pavement with a 3 inch hot mix asphalt (HMA) wearing surface, a 6 inch soil cement base and an 8 inch crushed stone subbase, which truck will cause more pavement damage?(Suppose drainage coefficients are 1.0).
how far back from the front axle would the center of gravity have to be to ensure that the maximum tractive effort developed for front- and rear- wheel-drive options is equal (assume that all other variables are unchanged)
vehicles arrive at a tollbooth according to the function lambdat 5.2 - 0.20t where lambdat is innbspvehicles per
Assume the 20 percent of the annual precipitation reaches the watershed outlet as stream flow. Determine the mean stream flow rate in ac-ft/yr, sfd/yr, and square meter/second
An equal-tangent crest vertical curve connects a +3.2% and -1.1% grade. The PVI is at station 98+20. Due to drainage considerations, the highest point of the curve is at station 100+79.35.
An industrial waste water treatment plant discharges into a large river. the industrial waste water is at 1m^3/s and contains an ultimate BOD concentration of 300mg/L at a temperature of 30 degrees C and a DO concentration of 2.5mg/L
Determine the magnitude of the average force acting on a highway bumper when a 5000-lb car traveling at 60 mph crashes against it. The time interval during which the car is brought to rest is 0.3 s.
Steam at 100 psia, sat vapor is in a pipe. The pipe is schedule 40 steel with a wall thickness of 1/8 inch and a length of 100 ft. The outside air temperature is 40 degrees Fahrenheit. The mass flow of steam is 4,000 lb/hr.
you are designing a highway to AASHTO guidelines on rolling terrain where the design speed will be 65 mi/hr. At one section, a +1.25% grade and a -2.25% grade must be connected with and equal tangent vertical curve.
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