# David Etukudo

## Refraction vs Diffraction – Examples, Differences, FAQs

Refraction refers to the change in direction of a wave, while diffraction is the spreading of waves. Moreover, they are important concepts in the field of physics with a variety…

## Concrete Corbel – Purpose, Design, w/ Steel Beam

A concrete corbel is a short cantilever protruding from a wall, column, or the side of a beam. In this article, you will learn the purpose of a concrete corbel,…

## Eccentric Load – Definition & Mechanics, Examples, Footings

An eccentric load is one that acts on a structural member at any point other than the member’s centroid. In this article, we will review the definition and mechanics of…

## Elevator Hoist Beam – Application, Sizing, and Design

An elevator hoist beam refers to a steel beam within an elevator machinery room that provides support to elevator equipment. Some of this equipment includes lifting motors, the elevator cab,…

## 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…

## 460V Three Phase – Configuration, Wiring Diagram, vs. 480V

460V three phase is a common electrical specification for running industrial equipment. In this article, you will learn about the 460V three phase, review its wiring configurations, and compare the…

## Pipe Obvert Elevation – Implication, Calculation, and Applications

Pipe obvert elevation is the vertical distance between the inside-top of a pipe and any datum. Moreover, the term ‘obvert’ means to turn. The obvert measurement mirrors the pipe invert,…

## Aircraft Static Port – How To Identify, Function, Blockage, and Alternate

An aircraft static port allows for the measurement of the outside air pressure. In addition, it constitutes the pitot-static system, which is a range of pressure-sensitive instruments that measure key…

## ASD Load Combinations, Differences vs. LRFD

ASD (Allowable Stress Design) is a design procedure or philosophy, also referred to as service load design or working stress design (WSD). Moreover, it entails ensuring that the service load…

## Power Dissipation – Process, Formula, Applications

Power dissipation refers to the process by which an electrical or electronic device loses or wastes energy via heat production while performing its primary action. Moreover, it is important to…