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A proposal has been submitted to replace a group of assembly workers, each working individually, with an assembly line. The following table gives the individual work elements.
Element Te(min) Immediate predecessors1 1.0 ---2 0.5 ---3 0.8 1,24 0.3 25 1.2 3 6 0.2 3,4 7 0.5 4 8 1.5 5,6,7
The demand rate for this job is 1600 units/week (assume 40h/week) and the current number of operators required to meet this demand is eight using the individual manual workers.a) Construct the precedence diagram from the data provided on work elements.b) Use the largest-candidate rule to assign work elements to stations. What is the balance delay for the solution?
Structural design of reinforced cast in - place concrete - Structure design
determine the practical moment strength phi x Msubn for a rectangular reinforced concrete cross section having a width (b of 13 in.) and an effective depth (d of 24 in.) The tension reinforcing steel is four no# 8 bars.
In the construction management, there is a lot of procurement route that are necessary and suitable for the construction industry.
What is the concentration of MLVSS in the activated sludge (mg L-1)
determine the power developed by the force when t = 5s. Hint: First determine the time needed for the force to cause motion.
Determine the horizontal spacing of the vertical drains if the drains are installed in triangular grid to reach 90% of primary consolidation in 1.5 years after the commencement of fill placement.
inability and green engineering can be integrated in the four components of materials science and engineering?
Assume you are observing traffic in a single lane of a highway at a specific location. you measure the average headway and average spacing of passing vehicles as 3 seconds and 150 ft, respectively. calculate the flow, average speed, and density of..
what was involved in the first far-reaching, comprehensive study of Earth's oceans?
The total dissolved inorganic carbon (TIC) of a sample of groundwater is 8.33 mM. The temperature of the aquifer is 15C, the pH is 7.5, and the ionic strength is 0.05 M. What is the H2CO3, HCO3-, CO3 2-, and the partial pressure of CO2? [Use activ..
A car collided with a telephone pole and left 20 ft skid marks on the dry pavement. Based on the damages sustained, an engineer estimated that the speed at collision was 15 mph. If the roadway had a +3% grade, calculate the speed of the car at the..
The beams support one-way slabs, 6 inches thick that span 20 feet center to center. Assume that the beams are 16 inches wide and 24 inches deep. Determine the dead load in pounds per linear foot for the beams, from the concrete structure alone.
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