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A project involves transporting iron pipe to a jobsite that is 43 miles from the supplier. The pipe will be hauled in trucks that can carry 16 pipes per load. Each pipe is 20 ft in length. The average haul speed of a truck will be 50 mi./hr and return speed of 55 mi./hr. A loader at the supplier will load trucks at a rate of 5 min. per pipe and a crawler tractor with a side boom at the jobsite can unload the pipe at a rate of 8 min. per pipe.
The cost of the loader, with operator, at the supplier is $85.00/hr and the cost of the tractor, with operator, at the jobsite is $75.00/hr. The cost of a truck with driver is $55.00/hr. Determine the economical number of trucks and the direct cost per foot of pipe for transporting the pipe.
We would continue embankment work even if winter season and my question is what is swelling amount of compacted soil for 30cm thickness and 95% compaction degree by freezing.
Concept of CSTR, A lagoon is to be designed to accommodate an input flow of 0.10 m^3/s of nonconservative pollutant with concentration 30.0mg/L and reaction rate 0.20/day
Calculate the numbers of married men, single men, married women and single women. Print these numbers on a student summary report. If any single men are over 30 years of age, print their names and ages on a separate eligible bachelors report.
How to draw bending moment diagram for this shape and the value of the moment in critical sections assume that the distributed load (w) KN/M and the concentrated load
What is the maximum safe speed around the curve? If the speed limit on the roadway is 60mph, what action should be taken by the engineer?
Calculate the water/cement ratio of the cement paste in which all the cement will hydrate to leave no capillary pores. (density of cement: 3.1 g/cm3) ?
If the tensil testing machine can apply no more than 925 lbs. of force to the specimen, calculate the maximum rod diameter that should be used. (precision 0.000)?
develop the relation between bulk unit weight, specific gravity, void ratio and weight of water.
the front of our library has six double doors and the doors rotate open in the middle making less clerance room how can i get started
The linkage shown is made up of two 3-kg rectangular members (0.4 m by 0.1 m), and is flying through the air. At the instant shown, the vertical member has angular velocity 4 rad/s, and the angled member has angular velocity 1 rad/s.
Calculate the percipitable water (mm) in a 10-km high standard atmoshperic column if the surface conditions are temperature=20 degrees C, pressure=101.3 kPa and the laspe rate is 6.5 degrees C/km.
Using the USLE, estimate the annual erosion from a 100 ha. forested watershed assuming the following: R =112 tonnes/ha/year. The forest is in fair condition with 40% cover; Average slope is 3%; The soils are clay loam in hydrologic group C.
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