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A manager of an ice cream store has three employees working at any one time. Employee #1 can make 5 ice cream cones, 1 shake, and 2 sundaes in five minutes. Employee #2 can make 3 ice cream cones, 3 shakes, and 1 sundae in five minutes. Employee #3 can make 7 ice cream cones, 1 shake, and 1 sundae in five minutes.
To avoid boredom, employees are assigned all three tasks at different times during the shift. Each employee has to work at least half an hour at each station during a five hour shift. How much time should each employee spend at each in order to maximize productivity?
Estimate the diameter of the tower, based on bottom operating conditions. Assume that the density and viscosity of the bottom liquid are the same as tose for pure water. Make other appropriate assumptions as needed.
An overflow spillway 1,600 feet long is designed to pass 120,000 ft3/s of water. A 1:20 scale model of the cross section of the structure is built in the laboratory. It is assumed that the flow is two dimensional so only a 1-foot section
(a) Find the Reynolds number for the motion of this baseball through air. (b) Determine the drag force on the baseball under these conditions in N.
A stopwatch was started when h was 501 mm and read 17.6 seconds when h was 244 mm; the test was repeated for a drop from 254 mm to 97 mm and the time was 22.4 seconds.
1. why the prediction are less than the observed result of connection in tension experiment?2. what difference does the
Primary treatment removes ~25 percent of the BOD. Calculate the volume (m3) and approximate hydraulic retention time (h) of the aeration basin required to run the plant as a "high rate" facility (F/M = 2 kg BOD/kg MLSS-day).
A projectile is fired into a block of wood that is hanging on the end of a light rigid rod. How you would estimate the speed of the projectile. What might account for the errors in your estimation.
The James River flows in from the East at 50 m^3/s and joins the Jackson River flowing at 500 ft^3/min just outside Charlotte, NC. The turbidity in the James River is 6.8 NTU.
a simple rankine cycle uses water as the working fluid. the boiler operates at 6000 kpa and the condenser at 50 kpa. at
concrete weights 23.5 knm3 and water weights 9790 nm3. coefficient of friction between the dam and foundation is 0.55.
Water at 120 celcius with a quality of 25 % has its temperature raised 20 celcius in a constant volume process. What is the new quality and pressure? Draw P-v and T-s diagrams.
Construction Business Enterprise Risk Management is a very large component in the operation of any contracting venture. Discuss how you, as head of operations, would weave risk management into the planning and operations processes
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