Questions tagged [cost-engineering]

9 questions
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Summary of major outage management works needed in the 4th decade of a nuclear reactor?

I've noticed that quite a few commercial nuclear reactors have an extended outage (they close down for several months) some time late in their third decade, and the maintenance works during the closure involve significant investment. This cost has…
410 gone
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Better / Cheaper Material Choice?

Current State Currently I have designed a coffee roaster that mostly uses the stainless steel tri clamps / tubes that many brewers use. The system can get up to 450 degrees F (232°C) even with moving air. Question I was wondering if someone has come…
Eric F
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How to reduce Engineering Bill of Material Cost for electronics products?

What is an effective method to re-engineer a current product to reduce engineering bill of material (EBOM) cost? This is a continues improvement project for a current product in electronics space. Attached is an example of a PCB board. The product…
Mahendra Gunawardena
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How do I start looking for a cheap encoder?

For my project, I need a rotary encoder. The first requirement for it is to be cheap, and I am not sure how to even start looking for them. The RLS magnetic encoders seem cool, but they are a bit more expensive than I would expect. The supported…
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Understanding metalwork manufacture -- How are Purchase Quotations prepared?

I have been involved with a number of metalwork design projects lately and I'm increasingly finding myself asking for quotations for small prototype runs (often one-off jobs) to verify the validity of a design. The kind of items I'm talking about…
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Is battery-charge-stop-at-XX-percent circuitry not cheap?

I'm curious why IBM/Lenovo ThinkPad line is basically the only manufacturer/brand of mobility devices that includes circuitry and software that allows one to vastly prolong battery life of laptops used as stationary workstations by making sure to…
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How to write a Cost engineering support plan?

How would I write a Cost Engineering support plan which reflects the Project Control Cycle? A wine company is wondering if they should invest in another factory. Only this time it will be in the USA. This will be their first factory in the USA and…
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What determines the cost of the wind turbines?

If there is an 11kW wind turbine, and a 15kW wind turbine. Why is the 15 kw wind turbine more expensive? I know it seems like a basic question, but what exactly makes it more expensive? Is it only the generator? Or is there something less obvious…
Mohdak
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Natural gas boiler Vs. Electric Heater efficiency

If a facility buys natural gas at 8 dollars/Mcf to provide heating from an 85% efficient natural gas boiler, what is the equivalent cost of electricity ($/kWh) for a 95% efficient electric heater? I'm not sure how to relate these. What equations…