120V vs 220V
120V and 220V are both standard power supply voltages. Supply from any of these systems has unique features that make one suitable for an application over the other. Although the…
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David Etukudo
David Etukudo 50Hz vs 60Hz
Power supply standards vary with countries/regions, especially when it comes to voltage and frequency. In the case of frequency, the 50Hz vs 60Hz are both valid supply standards. In this…
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…
CJP Weld – Callout, vs. PJP, FAQ
A CJP weld, short for complete joint penetration weld, refers to the type of welding joint that is common in groove joints and T-joints. Moreover, in a CJP weld, the…
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…
Backgouge – Definition, Need, Procedure, vs. Back & Backing Weld
A backgouge removes weld metal and base metal from the weld root side of a welded joint to facilitate complete fusion. A welder performs this technique to guarantee the consistency…
Flare Bevel Weld – Overview, Examples, vs. Other Types
A flare bevel weld is one that connects a radius to a planar surface. For example, the weld between a flat bar and a piece of pipe along its side….
Shunt Trip Breaker Wiring
Proper wiring of a shunt trip breaker is necessary for it to perform its role of protecting all downstream devices in its circuit. Although it performs the same function as…
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…