Amwoga KhalwaleWhat are Fossils? Fossils are the remains or traces of organisms that lived long ago and have been preserved. Both paleontologists and geologists use fossils to help determine what life and geology were like in the distant past. Through the remains of plants and animals from long ago, a picture of life at that time … Read more
Plastering Plaster is a thin layer of mortar applied over the masonry surface and it acts as a damp-proof coat over the brick masonry work. Plastering also provides a finished surface over the masonry that is firm and smooth hence it enhances the appearance of the building. The primary objectives of plastering are to protect … Read more
What Is Nickel? Nickel is a naturally-occurring metallic element with a silvery-white, shiny appearance. It is the fifth-most common element on earth and occurs extensively in the earth’s crust and core. Nickel along with iron is also a common element in meteorites and can even be found in small quantities in plants, animals and seawater. … Read more
High-Level Data Link Control (HDLC) HDLC (High-level Data Link Control) is a group of protocols or rules for transmitting data between network points, sometimes referred to as nodes. In HDLC, data is organized into a unit called frame and sent across a network to a destination that verifies its successful arrival. The HDLC frames consist … Read more
What Is Hot Working? Hot working process metals are plastically deformed above their re-crystallization temperature. Being above the re-crystallization temperature allows the material to re-crystallize during formation. This is important because re-crystallization keeps the materials from strain hardening which ultimately keeps the yield strength and hardness low and ductility high. The ultimate goal of metal … Read more
What is DOC? DOC is a filename extension for word processing documents, most commonly in the proprietary Microsoft Word Binary File Format. The DOC format has been used since the first release of Microsoft word for MS-DOS until 2003 version of word. In DOC, the document is stored in a binary file that also contains … Read more
What Is Static SQL? Static SQL are statements in an application that do not change at runtime (when source code is written) and therefore can be hard-coded into the application. Static SQL is referred to as static because the SQL statements in the program do not change each time the program is run. Static SQL … Read more
What Is Silicon Controlled Rectifier (SCR)? A silicon Controlled Rectifier is a 3 terminal and 4 layer semiconductor current controlling device. It is mainly used in the devices for the control of high power. Silicon Controlled Rectifier is also referred to as SCR diode, 4-layer diode, 4-layer device or Thyristor. It is made up of … Read more
Numerical Control (NC) Machine Numerical control, commonly referred to as NC, is a machine which is controlled by the set of instructions in the form of numbers, letters and symbols. In this case, the set of instruction is referred to as program. NC is essential to the operation of modern industrial robots. The two basic … Read more
Portland cement is the most common type of cement widely used around the world as a basic ingredient of concrete, mortar, stucco and non-specialty grout. It was developed from other types of hydraulic lime in England in the early 19th century by Joseph Aspdin and usually originates from limestone. Raw materials for the manufacture of … Read more