Scientific vs Engineering Notation – A Fight to the Death
A fight to the death? A bit dramatic perhaps. 🙂 Engineering and scientific notation are both ways to simplify very large or small numbers so that they are easier to…
Engineering
Hz vs dB
Hz and dB, which represent Hertz and decibels respectively, are units that characterize sound waves. Both units are key in fields such as acoustics, quantum mechanics, and wave mechanics. In…
David Etukudo Cracking Moment
The cracking of concrete occurs due to several reasons. These reasons include excessive deflection, plastic shrinkage, severe corrosion of steel rebar, etc. However, the concept of cracking moment deals with…
Chamfer Callout
A chamfer is a slope at the edge of a part and a chamfer callout refers to how to dimension chamfers on drawings. Generally, chamfers serve to remove burs and…
Union vs Coupling – Differences, Frequently Asked Questions
Pipe unions and couplings are both types of pipe fittings that join different parts of a flow system. However, a union makes it easy to separate and reassemble the joint…
Turndown Slab
A turndown slab is one that has edges which are thicker than other parts of the slab. They are popular in concrete construction because of their durability and serve as…
Single-phase vs Three-phase
Single-phase and three-phase configurations are currently the most common AC power supply systems in use. Because each system has advantages over the other in certain applications, it is necessary to…
What is the Engineer of Record?
A professional engineer who seals drawings, reports, or papers for a project is the Engineer of Record or EoR. The seal signifies that an EoR developed, coordinated, or prepared drawings,…
Sarah DeGuzman Moment Connection – Types, vs. Shear, Uses in Steel Construction
In structural engineering, a moment connection refers to a joint that allows the transfer of bending moment forces between a column and a beam or between any other two adjoining…
IP68 vs. IP69 – Differences and Applications
The IP (Ingress Protection) enclosure system uses a 2-digit suffix to describe the degree of ingress protection for enclosures. IP68 provides protection against extended immersion up to 1 meter, whereas…