Top new questions this week:
|
|
Generally speaking cutters such as end-mills and often lead screws are ground vs shaped using a sharp cutter. I am curious how are high accuracy grinding wheels made? Their very nature seems to be …
|
|
A lever rotates about the center, the rotation is caused by two cylinders of different diameters connected on each side of the lever. The forces acting on the cylinders are the buoyancy force which is …
|
|
In compressible Euler equations, everyone knows the energy equation can be written as $$ \dfrac{Ds}{Dt} =0 $$ which implies the entropy is constant along the path line. However, we have shockwave as a …
|
Greatest hits from previous weeks:
|
|
Most air conditioners have three modes: Auto, Sun, Snowflake What is the difference it terms how it works?
|
|
When designing reinforced concrete slabs it is common to divide the slab into ‘design strips’, which are then used to rationalise the reinforcement design along (typically orthogonal) lengths of the …
|
|
I understand that the reynolds number is given by the expression $Re=\frac{\rho v L}{\mu}$, where $\rho$ is the density, $v$ is the fluid velocity and $\mu$ is the dynamic viscosity. For any given …
|
|
I’ve noticed this a few times, the last time today: It’s a big cylinder-shaped “tank” (for water?) outside of the front part of the truck. What’s the purpose of this thing?
|
|
Does any one here know of an authoritative source (ASME, ISA, NFPA, OSHA, etc..) that gives a definition for the following in one of their standards or codes and the number for that standard or code: …
|
|
I have a 2 mm thick steel plate which is 300 mm long and 30 mm wide, supported at either end. It supports a weight-bearing wheel that can roll along the plate. It currently supports the maximum weight …
|
|
I was studying the designation of names to refrigerants. The following is the basic formula: R – (m – 1) ( n + 1) ( o ) where: m = number of carbon atoms in the refrigerant n = number of hydrogen …
|
