Mechanical Engineering Portal

The casting or foundering process  is the oldest manufacturing process in which liquid molten metal is poured into a perforated casting cavity of refractory material. Allow liquid metal to solidify; after solidification, the casting metal can be removed by breaking th…

Water hand pumps are manually operated pumps. They are used to bring water from the earth underground to the earth's surface and are used in every country for various industrial, marine, irrigation, and household purposes. The image shown below is the typical desig…

The screw thread is a continuous helical groove of specified cross-sections produced on the external or internal surface. A screw thread formed on a cylinder is known as a straight or parallel screw thread, while a screw thread formed on a cone or frustum is known as …

Ball bearing components are 1. inner ring, 2. outer ring, 3. balls and 4. cage. The standard essential components of a ball bearing are defined as follows: 1. Inner Ring: The Inner Ring is the smaller of the two bearing rings. The inner ring has a groove on its oute…

The various advantages of using the steam turbine over a steam engine are as follows: Steam turbines require less shaft workspace than steam engines. The absence of various links, such as a piston, piston rod, crosshead, etc., makes the mechanism simple. The steam t…

The Spark Ignition (SI) engine can be compared with the Compression Ignition (CI) system in 7 aspects. Those 7 aspects are engine speed, cycle efficiency, fuel used, time of knocking, cycle operation, the pressure generated and constant parameters during the cycle. …

Coal is classified into different types based on its carbon content, energy density, and the amount of impurities. Peat coal, lignite coal, Sub-Bituminous coal, Bituminous coal, Semi-Bituminous coal, Semi-Anthracite coal, Anthracite coal and Super Anthracite coal are t…