Top new questions this week:
|
|
I mostly use M2.5 size screws. I got some brand new Torx screws but when I tightened them for the first time, either they stripped or the bit of the screwdriver got twisted. What could be the reasons? …
|
|
I’m wondering how surface roughness specimens that are used to calibrate surface roughness machines are created. Specifically those in the 125-200 µin range. Is this typically done with vertical …
|
|
I am trying to get the right pipe size for seawater circulation system aboard a ship. The water is used to keep oysters alive while transporting them. The system has 8 Ebara SQPB 100 pumps. The …
|
|
I’m about to buy a standard 6-litre powder fire extinguisher. However, in the description, they all say: Suitable for [blablabla…] and for electronic devices up to 1000 V. Up to 1000 Volts? But …
|
|
At standard room pressure, the highest temperature superconductor is “the cuprate of mercury, barium, and calcium, at around 133 K” (-140 °C). If pressure can be increased, however, the …
|
|
A centrifugal pump is used to pump fluid from one reservoir to another with varying pump speeds (Using a variable frequency drive). The system looks something like this The pump performance curve (QH)…
|
|
So, the objective is to generate a water flow similar to a household water system (60 PSI) inside copper pipes that have 30 coil turns that are inside a stove that burns wood. A monotube steam …
|
Greatest hits from previous weeks:
|
|
Recently I was thinking about home improvement, and one idea that is haunting me is that I could use some kind of refrigerator for gaming consoles and laptops. The obvious benefit is that it maintains …
|
|
Why does a ductile rod in torsion fail at an angle perpendicular to its axis? I know the reason for brittle material failing in pure shear but I don’t understand the reason for ductile material.
|
|
If a water pipe is 15 mm diameter and the water pressure is 3 bar, assuming the pipe is open ended, is it possible to calculate the flow rate or water velocity in the pipe? Most of the calculations I …
|
|
I have spent two days searching the web but haven’t found out how to define the following parameters for weep holes in retaining walls. horizontal and vertical (if staggered situation) spacing …
|
|
I was wondering how I can calculate the velocity of gas through a pipe. The gas, assuming ideal behavior, in a pipe (cylinder) of volume of 222.4 L has a pressure of 1.95 atmospheres and a density of …
|
|
For a National Board Exam Review: Calculate the Reynold’s Number, $Re$ for water at 20 °C flowing in an open channel. The water flowing at a volumetric rate of 200 gal/sec. The channel has a …
|
|
I’m trying to calculate the clamping force resulting from torquing a nut and bolt to a particular level. I have found this formula in various forms in a lot of places. $$T = KDP$$ $T$ = Torque (in-…
|
Can you answer this question?
|
|
I’m working on a project involving a couple of material dispensers, and the customer we’re designing them for has asked us to keep the output of the dispensers within a set range 95% of the time. I’m …
|
