Vernier Bevel Protractor: Parts, Working, Accuracy and Applications
A vernier bevel protractor is a precision angle-measuring instrument that reads any angle from 0° to 360° to 5 minutes of arc (5′, or…Read More →
Principal Stress: Formula, Principal Planes, Mohr’s Circle and Solved Examples
Principal stresses are the maximum and minimum normal stresses at a point in a loaded body, and they act on the two planes where…Read More →
Types of Fasteners: Detailed Classification of Screws, Nuts, Rivets, Pins and Washers
A fastener is a part that mechanically joins two or more components. The types of fasteners fall into two main groups: threaded fasteners (bolts,…Read More →
Law of Gearing: Statement, Derivation and Solved Examples
The law of gearing (also called the fundamental law of gearing) states that, for two gears to transmit a constant angular velocity ratio, the…Read More →
Young’s Modulus of Elasticity: Formula, Units and Solved Examples
Young’s modulus of elasticity (E) is the ratio of direct stress to direct strain in a material loaded within its proportional limit. The Young’s…Read More →
Milling Cutter: Types, Materials, Speed and Feed, and Applications
A milling cutter is a rotating multi-tooth cutting tool used on a milling machine; each tooth takes a small chip as the workpiece is…Read More →