Engineering Questions, Problems & Solutions : TransWikia.com ~ Page 47

What are rules of thumb for designing a gravity feed system for cylinders?

So, I just printed out this battery holder off Thingaverse. Unfortunately, it doesn't work very well, so I'm interested in redesigning it. There's a number...

Asked on 04/08/2021 by DanHeidel

1 answer

Pressure vessel wall dimensions

I am trying to design a small cooling setup which has two parts: the compressed air vessel and the turbines. My understanding is that the compressed air, upon being released,...

Asked on 04/07/2021

2 answer

Could a bolt this size actually be used on a project?

could there ever be a structure that would require something like this? ...

Asked on 04/06/2021 by George Clooney In a Mooney

2 answer

how to obtain solution of this bessel equation using Frobenius method

Given this equation: $$frac{1}{r}frac{d}{dr}bigg(r frac{dT}{dr} bigg) - bigg(frac{2h}{bk} bigg)(T-T_a) = 0$$ I can let $x=rsqrt{(2h/bk)}$ and $z=T-T_a$ to obtain the bessel equation using the appropriate...

Asked on 04/05/2021 by Link L

0 answer

Straight Pipe Thread

Is there any National Pipe Thread Straight (non-tapered, requires O-ring or compression olive) that is compatible, even loosely, with a machine thread threaded rod? I want to put a reducer...

Asked on 04/04/2021 by Andyz Smith

2 answer

E-Lock Circuit Help

For school I was assigned a madlab circuit, E-lock, to build and explain how it works, and to be frank, I have no clue how it works. I was able...

Asked on 04/04/2021

0 answer

Aerospace bolts and washer combination

In my aerospace company we have repetitive discussions regarding the stacking of low tolerance fasteners with non-countersunk washers. For example a fastner NAS6703-X (size 10) has a max. base radius...

Asked on 04/03/2021 by Vitus

0 answer

What is this circular metal object embedded in spalled concrete?

Consider the piece of spalled concrete shown in the attached image. It has spalled due to the corrosion of the reinforcement bar. There is a small circular piece of metal...

Asked on 04/03/2021

1 answer

Controller vs Micro controller?

What is the difference between both of these terms? Especially in configuration and application?...

Asked on 04/03/2021 by engr

1 answer

Is air a pure substance?

I was referring to some Thermodynamics text books and found that their definitions of a "pure substance" seem very subjective. "Air, for example, is a mixture of several gases, but...

Asked on 04/01/2021 by Shane K

1 answer

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