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Problem: A wall needs to be build using 12 x 4 x 6 inch concrete blocks. The crew needed for this job consists of a team of 3 workers. This team can be hired only on a per day basis at the cost of $400 per day. The crew production rate is 70 blocks per day. To complete the work they also need some tools. They can rent the tools from Home Depot at the cost of $50 per day. If the cost of each block is $50, what is the total cost of the project? [Use 10% waste factor when purchasing the material.]
Analyze the frame by moment distribution. Determine all reactions and draw the shear and moment diagrams, locating points of inflection and labeling max and min shear and moment values.
The beam has a flange width b=8 in. If the maximum bending stress is not to exceed σallow=22 ksi, determine thegreatest weight of the machine that the beam can support. The center of gravity for the machine is at G, and the supports at Band C are smo..
The power loss, p , in a journal bearing depends on length, L; diameter, D; clearance, c; and rotational speed, w. You also have to worry about lubricant viscosity, density, and pressure. Obtain the dimensionless groups that charactrize this probl..
If a tractor with 23-hp, a max speed of 3.6 mph in 1st gear and an effieiciency of 92% is operated operated down a 4% slope and the rolling resistance is 80 lb/ton, what is the maximum external pull in each of the 4 gears.
Find the required energy input Ep and ?p to be supplied by the pump. Assume the electric motors are set to turn the centrifugal pump impeller at ? = 4000 rpm
ferryboat queuing lane holds 40 vehicles. If vehicles are processed (tolls collected) at a uniform deterministic rate of 5 vehicles per minute and processing begins when the lane reaches capacity
The saturation concentration for the drop is 9.20 mg/L. If, after falling for two seconds, the droplet has an oxygen concentration of 3.20 mg/L, how long must the droplet fall (from the start of the fall) to achieve a concentration of 8.20 mg/L
Water are mixed with 150g of another fluid (density = 790 kg/m3 ). What is the specific volume of the mixture, assuming that the volumes are additive and the mixture is homogeneous?
a regular hexagonal pyramid has an upper base edge of 16 ft. and a lower base edge of 28 ft. if the volume of the frustum is 18041 ft^3., find the lateral area of the frustum.
It is proposed to construct a new National Highway with four lane dual carriageway. The initial traffic in the year of completion construction i 1100CVPD.
CPCCBC4005A Assessment. Prepare a simple job cost analysis sheet for the trade of Bricklayer for Project 1. Take off and measure the entire trade of Bricklayer and cost each item. Include the actual cost of each item and show the variance on estim..
A grit chamber is designed for a flow-through velocity of 0.30 m/s, a depth of 0.9 m, and a length of 10.5 m. If inorganic particles have a specific gravity of 2.65,
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