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Engineering : Recent Questions and Answers (Page 39)

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

RV HVAC and Fridge Freezer on the same coolant loop?

Given the space, weight, and power constraints of an RV it is useful to make as much use as possible out of every component. Is there an engineering reason...

Asked on 05/08/2021 by John F. Miller

2 answer

I want to dissipate 3 kW of heat with an air conditioner. How big of an air conditioner do I need?

So the title says it all. I have a room (4 m x 4 m x 2.5 m) which is closed.(Actually there is a window and I could add a...

Asked on 05/08/2021 by papajo

3 answer

Difference between ACI Code and Eurocode in Stiffness modifiers?

According to the ACI Code stiffness modifiers (modifiers used to reduce the moment of inertia) are used for each structural elements for example 0.7 for columns and 0.35 for beams......

Asked on 05/08/2021 by J.Daou

1 answer

Mixed Sensitivity Problem

I have plant,$$P(s) = frac{1-s/5}{(s^2 + s/4 +1/4)}$$I am taking a mixed sensitivity approach for that I have chosen $V$,$W_1$ and $W_2$ as follows:...

Asked on 05/08/2021 by Rip97

0 answer

Gear profiles (involute and root) generated by power skiving

@Involutius contributed an article on the equations that describe the root profile of gears which are cut by a trapezoidal-profiled hobbing tool. From that article, I was able to...

Asked on 05/08/2021 by Willie Anderson

1 answer

How to properly fit almuminum glass window without leakage?

I got a brick-wall house. The wall is 25cm thick. I want to add windows. There are 2 ways of adding a window:Adding the window on the...

Asked on 05/07/2021 by MichaelJackson

1 answer

How can I change the type of extrusion output in Siemens NX 12?

I´m new to Siemens NX 12 coming from Fusion 360. I´m having problems with the extrusion command in NX 12. I´ve created a sketch where I want to extrude one...

Asked on 05/07/2021 by fabiprogramiert

1 answer

What is the name of this thing? (hex key reduction?)

What is the name of this thing? I am trying to find it by keywords like "hex hey reduction" etc. but so far no results. My problem is that the...

Asked on 05/06/2021

2 answer

Compression members with moment to BS 5950-1:2000

According to clause 4.8.3.2 the cross-section capacity for non-slender section is:$$frac{F_c}{A_g p_y}+frac{M_x}{M_{cx}}+frac{M_y}{M_{cy}}leq 1 qquad (1)$$ According to clause 4.8.3.3.1 simplified method of member buckling resistance, the following relationship...

Asked on 05/06/2021 by York Tsang

1 answer

Can a threaded fastener stretch so much it can be miss-read as a different pitch?

Can a threaded stud of mild steel, size 5/8"-11 over a threaded portion of 1.25" stretch so much over time that it reads 5/8"-13? Unthreaded portion of the stud reads...

Asked on 05/06/2021

1 answer

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