Spring constant – Definition, Unit, Formula & Applications
📌 Quick Answer The spring constant (k) measures the stiffness of a spring — the force required to stretch or compress it by one…Read More →
Year: 2023
Parallelogram law of forces – Statement & Derivation
📌 Quick Answer The parallelogram law of forces states that if two forces acting at a point are represented in magnitude and direction by…Read More →
Hardness test – Types, Characteristics & Applications
📌 Quick Answer A hardness test measures a material’s resistance to localised plastic deformation (indentation or scratching). The main methods are Brinell, Rockwell, Vickers,…Read More →
Types of Hammers and their uses
📌 Quick Answer A hammer is a hand tool that delivers an impact force; the many types differ by head shape and weight to…Read More →
Types of Bolts – Detailed Classification with Parts
📌 Quick Answer Bolts are threaded fasteners used with a nut to clamp parts together. Common types include hex, carriage, eye, anchor, U-bolts, flange,…Read More →
Welding Defects – Types, Causes, Inspection & Prevention
📌 Quick Answer Welding defects are flaws that weaken a weld – the main types are porosity, cracks, undercut, incomplete fusion/penetration, slag inclusions, and…Read More →