A refrigerant is a substance or mixture. Usually, a fluid, used in a heat pump and refrigeration cycle that can extract heat from another body or substance. ..
Fuels are any material that store potential energy in forms, which upon burning in oxygen liberates heat energy. Calorific value of fuel is the total quantity of heat ..
Mechanical properties (such as the strength, ductility, toughness, and ductile-brittle transition) depend upon the crystal structure and imperfections. Point defects ..
A Psychrometric chart can graphically represents the thermodynamic properties of air-water vapor mixture. Standard psychrometric charts are bounded by the dry-bulb ..
Super alloys are important in high temperature applications; hence, they are also known as heat-resistant or as high-temperature alloys. Applications: Major ..
The general sources of receiving molding sands are the sea shores, rivers, lakes, deserts and granular elements of rocks. Molding sands can be classified ..
Mechanical properties helps us to measure how materials behave under a load. Mechanical properties of materials are mentioned below. Elastic Material: A material ..
Various functions of cutting fluids are Cutting fluid cools the work piece and tool by carrying away the heat generated during machining. It acts as lubricant at the friction ..
A lubricant is a substance introduced to reduce frictional force and heat generation between the surfaces in mutual contact, when the surfaces move. A good lubricating ..
Often materials are subject to an external force when they are used. Mechanical Engineers calculate those forces and material scientists how materials deform or break ..