Questions tagged [cost-engineering]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
3answers
52 views

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 ...
2
votes
3answers
115 views

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 ...
0
votes
1answer
51 views

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'...
0
votes
3answers
287 views

Is battery-charge-stop-at-XX-percent circuitry not cheap? [closed]

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 ...
6
votes
2answers
95 views

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 ...
2
votes
6answers
3k views

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. ...