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JHK
  • Member for 7 years, 7 months
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11 votes
2 answers
2k views

Can you use the Hagen-Poiseuille equation for a pipe which radius is in the sub-millimeter region?

10 votes
1 answer
27k views

What does "$\pm$ 0.5% F.S." mean?

10 votes
1 answer
198 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?

10 votes
3 answers
14k views

How do you determine the accuracy of a measurement device?

9 votes
1 answer
1k views

How do you set up a PID-Control if the time constants of the controlled system are variable?

5 votes
1 answer
696 views

What are the predominant types of concrete pumps and what are their working mechanisms?

5 votes
2 answers
2k views

How does the S-N curve (or Wöhler curve) of a material change with frequency?

5 votes
1 answer
95 views

How long does it take for two initially seperate fluids to reach a certain homogenity across their container?

4 votes
3 answers
218 views

Do non-linear passive pneumatic throttles exist?

3 votes
1 answer
2k views

How to calculate the resulting temperature for a stream of air through a hot tube?

2 votes
2 answers
5k views

What are characteristic values for a piston pump?

2 votes
1 answer
4k views

What does "BSL Accuracy" mean?

0 votes
1 answer
70 views

What is the technical term for a document that contains the results of a final test for a specific product?