Concept Notes Refrigerant is a working fluid used in Refrigeration & Air Conditioning (RAC) systems. It undergoes phase changes (liquid ↔ vapor) to absorb heat at a low temperature...
Concept Notes Fluid Mechanics deals with the behavior of liquids and gases at rest and in motion.👉 A fluid is a substance that deforms continuously under the action of...
Concept Notes Thermodynamics is the science of energy and its transformations. It deals with heat, work, and properties of matter. The laws of thermodynamics are fundamental principles that govern...
Concept Notes Welding is a permanent joining process used to fuse two or more similar or dissimilar metals with the help of heat, pressure, or both, with or without...