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1.An equal-tangent crest vertical curve is designed for 70 mi/hr. The high point is at elevation 1011.4 ft. The initial grade is +2% and the final grade is -1%. What is the elevation of the PVT? Solve this problem with the parabolic equation rather than by using offsets.
2.Jose is swinging a small bucket of water by a rope over his head at a constant angular speed of ?dot=10rad/s. The rope is Length L=1m and the combined mass of the bucket and water is 4kg. a) Calculate the tension in the rope when ?=60 degrees. b) Wat is the magnitude of the bucket's acceleration at this instant
Water flows through a 200 m long ,30 cm diameter steel pipe with surface roughness 0.046 mm at a rate of 0.25 m^3/s .Find the pressure(P2)considering both friction and minor losses
A newly designed car has a 9.2 ft wheelbase, is rear wheel drive, and has a center of gravity 18 inches above the the road and 4.3 ft behind the front axle. the car weighs 2450 lb
Plot the moment envelope curves(positive and negative). (NOTE: You only need to consider maximum positive and negative bending moments even though for a true envelope curve you would have to consider all points between the supports.)
A 10 m long built-up beam is to be fabricated from a universal section beam (UB) and two 'C' channel sections (as indicated). The beams are joined by bolts, with the allowable shear load in each bolt being 12 kN.
A wastewater treatment plant has a flow of 35,000 m3/day. Calculate the mass of sludge wasted each day (QwXw, expressed in kg/day) for an activated-sludge system operated at a solids retention time (SRT) of 5 days
The maximum wind pressure on the traffic sign is 200 kg/m2. The maximum allowable shear stress is 350 kg/cm2. Design the traffic pole (only vertical element) against torsion knowing that angle of twist at the base should not exceed 6°.
what is the nominal yearly interest rate on a loan with quarterly interest of 3% with quarterly compounding
An in-compressible fluid flows horizontally in the x-y plane with a velocity given by u = 33 (y/h)^1/2 , where y and h are in meters and h is a constant. Determine the average velocity for the portion of the flow between y = 0 and y =h.
A waster water treatment operator runs a sludge volumeindex test in a liter cylinder and finds at the end of 30 minutessettling, the solids occupy 200mL. He knows the suspendedsolids concentration in his aeration tank from which he got thesample is 4..
HOCL is added to water in a tank as a disinfectant. After equilibrium is reached it is found that the pH of the water in the tank is 8.2 and the gas phase partial pressure is the head space of the tank is 0.2E-7 atm.
The pressuregradient is 60 kPa/m, and is negative. Compute the velocityat various points across the channel and show the results on aplot. Assume laminar flow.
Assuming unit surface area, find the conductive heat loss through the furnace wall and the temperature at the interface of the fire clay and red brick.
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