Questions tagged [engineering-general]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
1 answer
83 views

What is the branch of engineering that deals with corrective eyeglasses?

So I was curious about what principle used to manufacture corrective eyeglasses. Of course it uses physics, especially optics. But what engineer branch or degree is needed to manufacture it? I ...
user avatar
  • 1
0 votes
0 answers
32 views

Clarification on number of poles(magnetic) and induced/output voltage

I get that turning a loop of wire across a pair of magnetic poles induces a magnetic field. But I don't really understand how frequency plays a role in this. I've read a bit and saw that frequency is ...
user avatar
  • 1
3 votes
0 answers
61 views

clockwork motor output in joules formula

I'm trying to understand the output of clockwork coils in joules or watts for different coils. You know the pullback car or windup pocket watch mechanism. I have heard it also called power in the ...
user avatar
  • 131
7 votes
2 answers
465 views

Industry standard factor of safety for ballast design

What design standards exist for the design of ballast against uplift forces, and what factor of safety against uplift do these design standards promulgate? I am familiar with a typical FS of roughly 1....
user avatar
6 votes
4 answers
1k views

Are Scientific Calculators still current? [closed]

I've been a civil/structural engineer for 20 years now. My HP 48GX has recently done its last calculation. So I looked for a replacement and it seems that the market for scientific/graphing ...
user avatar
  • 1,216