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What is the ROI for the process improvement in Example 16.7 if the factory operates 300 days per year? Would you invest in this company?
Example 16.7
An engineer proposes an improvement to an existing process. The cost required to make this process improvement (PI) is $100,000. Suppose the process makes 100,000 widgets/day. If the proposed process improvement saves one cent per unit ($0.01/unit), what is its BEP for the PI?
for a ballistic missile loaded with candy launched with the following conditions burnout altitude 200km burnout
A piston-cylinder contains 0.1 kg of superheated steam at 180?C and 5.0 bars. The piston is frictionless and freely floating. Heat is added until the final volume is twice the initial volume. What is the work done on or by the steam?
the silver medal awarded to the second place winner in 2002 salt lake city winter olympics had a composition of 92.5 at
Suggest an appropriate material for each of the following applications, and, if necessary, recommend corrosion prevention measures that should be taken. Justify your suggestions.
a piston cylinder device initially contains 0.6 kg of steam with a volume of 0.1 m3. the mass of the piston is such
three lbm of air at 300 f and 100 psia expands to twice its original volume in an adiabatic process carried out in a
a 1.5 m3tank fills through inlet a while supplying water through outlets b and c at the rates given below. determine
10 kg of refrigerant r-134a initially at 5 bar and 160 oc undergoes an isothermal internally reversible compression
6 kg of an ideal gas is in a volume of 1 m3 at 250degc. the gas undergoes a constant pressure change of state until the
The tennis coach needs a better tennis ball serve for practice. This device must fire a sequence of standard tennis balls ball from one side of a standard tennis court over the net such that they land and bounce within each of three court ..
If a power plant rejects heat of 30,000,000kW/day into a nearby lake with 16,000 acre feet of water, how fast in degrees/day will the temperature of the lake rise if it is assumed that the lake is insulated and cannot reject heat in any other way?
A cylinder with a 0.3 m inner diameter and 0.4 m outer diameter is internally pressurized to 140 MPa. Determine the maximum shear stress at the outer surface of the cylinder.
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