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ISO 2768 – A Basic, Simplified Guide
ISO 2768 standard is a creation of the International Organization for Standardization (ISO). Like for any other standard of this nature, the technical committee was the team behind this work. Other...
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Buoyancy and its many applications
Let us take a look at density before we deep dive (or float!) into the science of buoyancy. Density is the ratio of weight of the object to the volume of the object. The density of water is 1g/cm3 and...
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Check Valves – function, types and selection criteria
Fig.1: A typical in-line check valve showing orientation with an arrow Check valves are devices that only allow media to flow in one direction. Due to this, they are often called “one-way” or...
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Structural Concepts – Static and dynamic load basics
Defining and understanding the basic structural concepts of engineering and how they are expressed in physics and mathematics is a key aspect for students. This enables them to enter the realms of...
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Surface Roughness Chart & Useful Information
The surface roughness chart is a concept that expresses the amount and extent of deviation of a surface from being perfectly flat. As it is practically impossible to manufacture a completely flat...
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Photogrammetry in mechanical engineering
Photogrammetry in mechanical engineering is becoming more popular, so let’s take a look at the concept and how it’s used. Photogrammetry derives from the Greek words photos, meaning light, gramma,...
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Dynamometer – types, working principle and power measurement basics
A dynamometer is a power measurement instrument used to determination the work being done by a machine over time. Work is the force vector that acts in such a way and direction that it results in the...
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Durometer Hardness Testing Explained
Hardness generally refers to the resistance of a material to scratching or indentation, and a qualitative measure of the strength of the material. The most commonly used hardness tests are the Rockwell...
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Needle Valves – function and selection criteria
Needle valve cross section Needle valves are used to accurately control flow rate. They are also suitable as reliable shut off valves. Common sizes are from 1/8” up to 2”. Adjustments are gradual and...
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Introduction to hydraulic actuators
Human Heart and Circulatory System The modern day hydraulic system has a very close resemblance to the human body. The heart does the work of a pump by pumping blood into all the parts of the body. The...
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World’s Longest | Danyang Kunshan Grand Bridge
The Danyang-Kunshan Grand Bridge is a marvel of modern day bridge engineering. It is 164.8 km (more than 100 miles) in length and has literally taken bridge building to a whole new level. Even though...
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Types of Bridges. The 7 Main Types
What are the 7 main types of bridges? What are the 5 main types of bridges? Which type of bridge is strongest? What is the most expensive type of bridge to build? What is the best type of bridge? What...
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Main Parts of an Airplane and their Functions
Although aircrafts have evolved a lot since the WWI, the major components of an aircraft have remained same. The location, size and type of the components may vary from a Cessna 172 to Boeing 727,...
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The Melting Point of Steel Alloys
In simple terms, the melting point of steel for example, is the temperature when it starts to change from a solid state to a liquid. At this specific melting point temperature both phases of the...
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Metals Used for Surgical Instruments
Out of all the materials available on the earth, only a few satisfy the design and regularity requirements for use in surgical instruments. In this article, we will evaluate the important properties...
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Magnetic Bearings – The mechanical engineer’s guide
As the name suggests magnetic bearings use magnetic levitation to support the rotating shafts, without directly contacting them, thus there is no friction. As we all know, less friction means less...
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What is Watt’s law?
In the study of electronics, many laws and theories exist. These laws enable us to understand the workings of electric circuits and components. One such law is Watt’s law. Watt’s law is named after...
View ArticleHALT Testing (Highly Accelerated Life Testing)
Highly Accelerated Life Testing (HALT) refers to a reliability testing technique that aims to expose the weaknesses of a product. The main objective is to expose the product to incremental stresses, in...
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Metrology – a mechanical engineer’s guide
The act of measuring has become an important part of our everyday lives. The need to measure and standardise has developed into the science of metrology. It has become an indispensable tool in the...
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The Venturi Effect explained
The Venturi Effect was discovered by Italian physicist Giovanni Battista Venturi who lived between 1746 and 1822. In practice there were a number of other physicists who were involved in the Venturi...
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Laminar Flow
Laminar flow is a phenomenon observed in flowing fluids that manifests during the study of fluid dynamics. In general, fluid flow can be described in two ways: laminar flow and turbulent flow. This...
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Wheatstone Bridge
A Wheatstone bridge is a special type of electrical circuit that is used to accurately measure the unknown resistance of a component. It was also originally used to calibrate measurement instruments...
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Online courses mechanical engineering students can take right now
Fundamentals of Rocket Science, with Falcon 9 You will understand the working of Rocket engines, how different stages separate, how orbit transfers and maneuvers work. You will learn about the Falcon 9...
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Cambridge: Top Mechanical Design Consultancies
GW Mechanical GW Mechanical consultancy was established only in 2019, but undoubtedly is one of the best in Cambridge. Its founder, Gareth Weeks, a mechanical design engineer with over 25 years of...
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Top 10 Mechanical Engineering University Courses in the UK
There are so many different elements to mechanical engineering that it is difficult to know where to start. There are modules available in structural materials, thermodynamics, electromechanicals,...
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Top 10 Mechanical Engineering Courses and Degrees in the USA
There is a plethora of options when it comes to obtaining a degree in mechanical engineering in the United States of America. It is very important however, to attend an educational institution that...
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What Do Mechanical Engineers Do? Mechanical Design Engineering Career
Difference Between the Various Types of Engineering “Engineering” is defined as the type of technology and science that includes the design, creation and use of machines, engines and...
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Why CNC Machining Beats Traditional Machining Every Time
The advent of computers brought the concept of numerical systems to reality for many industries. Manufacturing, in particular, has widely embraced the technology, with CNC machining now seen as the...
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Famous Engineers: The 10 Who Changed The World
Naming just 10 of the countless engineers that have had enormous impacts on the world as we know it can be quite difficult. Over the last 100-200 years especially, there have been major advances in...
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Hydraulic Fluid Selection Guide
Hydraulic fluid is a versatile, multi-function necessity for machinery everywhere. You would be hard pressed to find a machine that doesn’t require hydraulic fluid to maintain performance and reduce...
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Your quick guide to Isentropic Process: Relations, Flow, Efficiency and...
Isentropic Process Isentropic process is defined as a thermodynamic process, where the gas or fluid has constant entropy (constant-entropy process). This means that the isentropic process is a specific...
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Head Loss: What It Is and How to Calculate It
Head loss is potential energy converted into kinetic energy. Head loss is defined as the pressure loss due to viscous effects over a certain distance of pipe for an incompressible fluid, also including...
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Solar Powered System Extracts Drinking Water From Dry Air
The first generation of this system from a team at MIT (Massachusetts Institute of Technology), was developed three years ago as a proof of concept in order to validate that such a system could work....
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Dual-Mass Flywheel
What is a Dual-Mass Flywheel? A dual-mass flywheel (also known as DMFW or DMF), is a mechanical device that rotates and is used to generate continuous energy in systems where there is no continuous...
View ArticleMechanical Engineering Quiz: Level Two
Test your knowledge! If you already mastered our Level 1 quiz, now it’s time to go to the next level! Test your Mechanical Engineering knowledge now. Ten questions that lead to the truth… [wp_quiz...
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How 2020 Has Changed Mechanical Engineering
2020, what a year! We think it is safe to say that it has been a very different year for everyone on planet Earth. Pretty much every aspect of our daily lives have been affected by the virus that has...
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Tap Drill Chart – The Ultimate inch and metric table (mm and inches)
Do you need to see the Drill and Tab chart right now? Jump to Tab Drill Chart. Taps are cutting tools used by machinists to cut or form screw threads. The first recorded use of taps in metalworking is...
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Venturi Meter
Cutaway of a venturi meter, ©BIF Water A Venturi meter is an instrument that measures flow that features a converging piece of pipe to intentionally increase the velocity of the flow and in turn, a...
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GD&T Reference Center
Geometric Dimensioning & Tolerancing (GD&T) is an engineering language that can be difficult to understand. Often you attend training, and everything seems clear, then you get back to your desk...
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Top Aerospace Companies to Work For. Engineering at its Best
Top Aerospace Companies to work for Are you considering a career in aerospace? This article will go over a list of 15 top aerospace companies you should consider if you are studying mechanical...
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