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World of Engineering Profile picture
@engineers_feed
Dec 22, 2021 • 1 tweets • 1 min read • Read on X
The original patent from 1891 for a toilet paper roll shows the correct rolling direction, in case you ever doubted. Image

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More from @engineers_feed

World of Engineering Profile picture
Feb 3
The 10 greatest Engineers of all time:
1.Archimedes
Archimedes of Syracuse (c. 287 – c. 212 BC) was a Greek mathematician, physicist, engineer, astronomer, and inventor from the ancient city of Syracuse in Sicily. Image
2.Leonardo Da Vinci
Leonardo di ser Piero da Vinci (1452–1519) was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect. Image
Read 11 tweets
World of Engineering Profile picture
Jan 21, 2023
12 basic components of a building structure:

1.Roof
2.Parapet
3.Lintels
4.Beams and slabs
5.Columns
6.Damp proof course (DPC)
7.Walls
8.Floor
9.Stairs
10.Plinth Beam
11.Plinth
12.Foundation

🧵
1. Roof
The roof forms the topmost component of a building structure. It covers the top face of the building. Roofs can be either flat or sloped based on the location and weather conditions of the area.
2. Parapet
Parapets are short walls extended above the roof slab. Parapets are installed for flat roofs. It acts as a safety wall for people using the roof.
Read 13 tweets
World of Engineering Profile picture
Jan 20, 2023
The 5 main components of an aircraft ✈️:

1. Fuselage
The fuselage is one of the major aircraft components. Its long hollow tube, also known as the body of the airplane, holds the passengers along with cargo.
2. Wings
Also known as foils, are one of the aircraft parts that are most imperative for flight. The airflow over the wings is what generates most of the lifting force necessary for flight.
3. Empennage
The empennage is located at the tail end of the aircraft. Its two main components, the rudder and elevator, help with the stability of the plane.
Read 5 tweets
World of Engineering Profile picture
Jan 19, 2023
Valve, in mechanical engineering, device for controlling the flow of fluids (liquids, gases, slurries) in a pipe or other enclosure.

Different types of valves:
Globe valve: It operates by reciprocating action of disc or plug. The disc or plug moves to or away from the seat thereby stopping the fluid flow or allowing the fluid to flow. Pressure drop in the globe valve is high.
Gate valve: Gate valve functions by the reciprocating action of disc in its body. It can have a single disc or double disc. It is used for shut off operation. In double disc valve shut off is good.
Read 17 tweets
World of Engineering Profile picture
Jan 18, 2023
The most popular programming languages:

1. Javascript
JavaScript is a high-level programming language that is one of the core technologies of the World Wide Web. It is used as a client-side programming language by 97.8 percent of all websites.
2. Python
Python is one of the most popular programming languages today and is easy for beginners to learn because of its readability. It is a free, open-source programming language with extensive support modules and community development.
3. Go
Go was developed by Google in 2007 for APIs and web applications. Go has recently become one of the fastest-growing programming languages due to its simplicity, as well as its ability to handle multicore and networked systems and massive codebases.
Read 14 tweets
World of Engineering Profile picture
Jan 15, 2023
Cleanrooms are classified according to the number and size of particles permitted per volume of air. Large numbers like "class 100" or "class 1000" refer to FED-STD-209E, and denote the number of particles of size 0.5 μm or larger permitted per cubic foot of air.
International Organization for Standardization (ISO). Image
United States federal standard. Image
Read 5 tweets

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