John H. K.
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2 answers
11 votes
2k views
1 bookmarks
Can you use the Hagen-Poiseuille equation for a pipe which radius is in the sub-millimeter region?
1 answers
10 votes
25k views
1 bookmarks
What does "$\pm$ 0.5% F.S." mean?
3 answers
10 votes
14k views
How do you determine the accuracy of a measurement device?
1 answers
10 votes
195 views
In the context of a known disturbance $d(t)$ in a control loop, what is the $\Delta t$ at which the control loop has to be executed?
1 answers
9 votes
1k views
How do you set up a PID-Control if the time constants of the controlled system are variable?
1 answers
5 votes
687 views
1 bookmarks
What are the predominant types of concrete pumps and what are their working mechanisms?
2 answers
5 votes
2k views
1 bookmarks
How does the S-N curve (or Wöhler curve) of a material change with frequency?
1 answers
5 votes
94 views
How long does it take for two initially seperate fluids to reach a certain homogenity across their container?
3 answers
4 votes
205 views
Do non-linear passive pneumatic throttles exist?
1 answers
3 votes
2k views
How to calculate the resulting temperature for a stream of air through a hot tube?
2 answers
2 votes
4k views
1 bookmarks
What are characteristic values for a piston pump?
1 answers
2 votes
4k views
What does "BSL Accuracy" mean?
1 answers
0 votes
69 views
1 bookmarks
What is the technical term for a document that contains the results of a final test for a specific product?