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In according to engineering geology which rock is porous but not permiable?
What is the maximum length of trench that can excavated by hand economically rather than by a trenching machine. it cost 900.00 to transport a trenching machine to the job and back to the storage yard. the trenching machine can excavate 265 linear fe..
The traffic on the one-way main street shown below may be satisfactorily described by a Poisson process with an average rate of arrival of 8 cars per minute. A driver (indicated by the box) on the side street is waiting to cross the main street.
The two upper lengths of the welded Y-shaped assembly of uniform slender rods have a mass per unit length of 0.3 kg/m, while the lower length has a mass of 0.7 kg/m. Locate the mass center of the assembly. lenghts of all rods aew 30mm
A water pipe, in diameter id located in a trench 450mm below the center of the slab. The trench running along the length of the slab,300mm wide and 450mm deep, was backfilled with the same soil. If this pipe were to leak, what effect would it have..
A girder that carries a uniformly distributed dead load of 1.7 K/ft plus its self-weight and three concentrated live loads of 15 kips at quarter points of that 36 ft span is to be sized. using A992 steel, determine the lightest W-shape to carry the l..
Your next project site is an old landfill, which reaches a depth of 30 feet. Below, there are many layers of both competent and caving soils, but none of the competent soil layers capable of giving the needed bearing capacity under the 12’’ diameter ..
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..
A pump having the characteristics given ( N=2133.5 rpm, n=35.6 rps, D=37.1 cm) pumps water at 25 degree C from a reservoir at an elevation of 366 m to a reservoir at an elevation of 450 m through a 36 cm steel pipe
You must submit a valid design to me before you will receive your building materials. I will not grade your design based on whether it will support the necessary load. I am only approving it as to whether it is a design that meets the building req..
A 170 kg granite rock (ρ = 2700 kg/m 3 ) is dropped into a lake. A man dives in and tries to lift the rock. Determine how much force the man needs to apply to lift it from the bottom of the lake. Do you think he can do it?
The bar is fixed at B (length=2a) with a pin support at A (length L=0). Additionally, at A is a torsion spring (spring constant Ca = EI/a) and an extension spring is attached at B (spring constant Cb = EI/(a^3)).
Determine the height, h, the water level will rise in the tank before remaining constant. Also, if initially the tank is empty, what amount of time will it take for the water level to rise to h? Be sure to justify all assumptions made.
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