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Prepare a set of profile leveling notes for the survey in Figure 2.34. In addition to computing all elevations, show the arithmetic check and the resulting error in closure.
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.
A sample of 10 television tubes produced by a company showed a mean lifetime of 1200 hours and a standard deviation of 100 hours. Estimate
determine (a) the tension in link DE,
a force is specified by the vector F=160i+80j-120k N.calculate the angles made by F with the postive x y and z axes.
Calculate the R-value for the wall assembly. This calculation should be done by hand, on engineering paper, and handed in during class (or scanned and submitted online).
Determine from the code table in Figure 1.2 whether a building you are currently designing could be built of Heavy Timber construction and what modiÞ cations you might make in your design so that it will conform to the requirements of Heavy Timber..
The forces acting on the sailplane are represented by three vectors. The lift L and drag D are perpendicular. The magnitude of the weight W is 500 lb. If the magnitude of the resultant of the three forces is 0
Heyden Motion Solutions ordered $7 million worth of seamless tubes for its drill collars from the Timken Company of Canton, Ohio. (A drill collar is heavy tubular connection between a drill pipe and a drill bit.)
a simple horizontal curve has a central angle of 35 degrees-40 minutes-40 seconds, and a degree of cure (arc definiton) of 5 degrees -00 minutes-00 seconds.
Collar A is dropped 30 inches onto collar B, which is resting on a spring of constant k= 4 lb/in. Assuming perfectly plastic impact (coefficient of restitution e=0), determine the maximum deflection of collar B.
Use Stoke’s Law to calculate the settling velocity (m/s) of a spherical particle with a diameter of 1.0 mm and a density of 3 g/mL in water at a temperature of 30?C. The dynamic viscosity of water at 30?C is 0.798 x 10-3 N s/m2. The density of water ..
If the ultimate BOD of the mixed river water is 30mg/L, the rate constant for BOD at 20ºC is 0.6d-1, the reaeration rate constant at 20ºC is 0.8d-1, and the removal of BOD by sedimentation can be neglected
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