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Engineering : Recent Questions and Answers (Page 72)

Find answers to your questions about Engineering or help others by answering their Engineering questions.

Flange EN1092-1 Type 21 Bore Diameter

How is the bore diameter of a flange Type 21 - acc. EN 1092-1 determinated? In the standard:NOTE 5 The bore diameters of flanges type 21 are not specified in...

Asked on 12/23/2020

1 answer

Center of rotation (rigid body)

I know the meaning of (instantaneous) “center of rotation” and “center of zero acceleration” for a rigid body. I know that they do not coincide (in general) and that their...

Asked on 12/22/2020 by Federico Toso

1 answer

Reduce and compute flow in self designed pen

I am currently designing a simple pen for drawing with different types of liquid varnishes. My current design has a tip at the bottom side of the pen (blue) and...

Asked on 12/22/2020 by conansc

1 answer

Why are shapes with sharp corners structually weak?

Please explain my question like I'm 5 too? ELI5: Why do ships have circular windows instead of square ones? : explainlikeimfiveThe real answer is that shapes with...

Asked on 12/22/2020

1 answer

Was our wireless home telephone in the 1990s encrypted or completely insecure? And how did it work so far from home?

In the mid-1990s, our family got a cheap (I assume, since we weren't rich) but at least brand new telephone which either had two wireless "units", or one (my memory...

Asked on 12/22/2020 by Sperry

1 answer

What is the difference between W, S, I, H sections?

W and H sections look pretty much the same. S...

Asked on 12/22/2020

1 answer

Probability of structural failure

In structural engineering we have to accept the fact that you can never be exactly sure how much load a structural member can resist, that the load carrying capability of...

Asked on 12/22/2020 by S. Rotos

2 answer

What is the use of secant modulus?

Secant modulus is defined as the slope of a line connecting the origin and a specified point (like yield point)...

Asked on 12/22/2020

2 answer

How the optical cd disc gets drawn in when we gently push it? what is the mechanism behind it?

We have seen CD drives that have slits. The CD gets drawn inside upon a gentlepush. how the CD gets drawn inside upon a gentle push? How it's mechanism...

Asked on 12/21/2020

1 answer

How is heat transfer calculated for an aqueous salt solution?

I am familiar with using $dot{Q}=c_pcdotdot{m}cdotDelta T$ to calculate the heat transfer rate of a fluid given a singular value for specific heat capacity (such as with water), but...

Asked on 12/21/2020 by Jason Ogden

1 answer

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