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1.Material for an earth filll was available from borrow sites at $6.4 per cubic meter and a void ratio of 0.8. In the compacted state the fill measured 100,000m3 at void ratio of 0.7. what will be the total cost of the material in compacted state?
2.A maximum flow rate of 6 CFS is available for a river model. This corresponds to 30,000 CFS for the prototype. What is the scale of the model in terms of the prototype size?
The pH of tap water might be adjusted to the 8 to 9 range to reduce the potential for corrosion of metal pipes in the water distribution system.
A particle travels along a straight line with a constant acceleration. When s=4ft, v=3ft/s and when s=10ft, v=8ft/s. Determine the velocity as a function of position.
Compute the ratio of the nominal flexural strength of the beam to the maximum service load moment, and compare your findings to the ACI load factors and strength reduction factor.
Three solid shafts, each of 3/4 in. diameter, are connected by the gears shown. Knowing that G=11.2*10^6 psi, determine (a) the angle through which end A of shaft AB rotates, (b) the angle through which end E of shaft EF rotates.
A block of mass m is attached to two springs as shown. Knowing that in each case the block is pulled through a distance x from it's equilibrium postition and released, determine the maximum speed of the block in the subsequent motion.
a mass of 2kilogram is projected with a speed of 3m/s.if a plane inclined 20 degrees with the horizontal.after travelling travelling 0.8meters, the mass comes to rest. determine the coefficient of friction and also the speed as the black returns t..
Part of the roof of a sports stadium is to be supported by the cables AB and AC. The forces the cables exert on the pylon A to which they are attached are represented by the vectors FAB and FAC.
a store charges 1.25 % interest per month in credit purchases. This is equivalent to: what nominal annual interest rate, effective annual interest rate, and effective monthly interest rate
A 6 inch X 4 inch rectangular beam is subjected to a maximum shear force of 1900 lbf. Determine the shear stresses at each of the following points on the beam cross section:
A pump of 80% efficiency lifts water from one large open tank to another; the difference in water surface elevations is 20 feet. The pipe is relatively smooth (f = 0.0122), and has 3 elbows, each with a loss coefficient of 2/3.
It is required to reduce a pipe of diameter 8 in to a minimum diameter pipe that allows the downstream velocity not to exceed twice the upstream velocity. Determine the diameter of the pipe. Assume smooth transition
What are the SPCS83 coordinates and convergence angle for a station in the Colorado Central zone with geodetic coordinates of 39° 44' 40.74141"N, 105° 00' 07.48466"W
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