When Did Most Parts Of East Africa Adopt Iron Technology? Iron technology first appears in the African continent in the 1st millennium BCE, and the term Iron Age is generally used, certainly south of the Sahara When was iron discovered in East Africa? Iron and copper working in Sub-Saharan Africa spread south and east from
What Is The Function Of A Tundish In The Continuous Casting Process? The continuous casting tundish is the last metallurgical vessel through which molten metal flows before solidifying in the continuous casting mould. It serves as a buffer and links the discontinuous process of the secondary metallurgy in the ladle with the continuous casting process
What Three Achievements Can Be Attributed To The Harappan Civilization In The Indus River Valley? Accurate system of weights and measures were developed. Created sculpture, seals and pottery from materials such as terracotta, metals and stone. Major advances in transportation technology took place. What are the achievements of the Indus Valley civilization? Important innovations of
What Is Not An Example Of A Technological Achievement Of The Song Dynasty? Which is not an example of a technological achievement of the Song Dynasty? … They were skilled horsemen who adopted new military technologies and used terror as a weapon. Which describes a lasting legacy of the Mongol Empire? What were the technological
Why Is The Iron Age Important? The Iron Age helped many countries to become more technologically advanced. Metalwork made tasks like farming easier, as the iron tools were much better than what the people had before. During the Iron Age, farmers used an ‘ard’ (an iron plough) to turn over their fields. What is Iron
Where Is Smelting Done? Smelting most prominently takes place in a blast furnace to produce pig iron, which is converted into steel. How is smelting done? Smelting is a form of extractive metallurgy to produce a metal from its ore. Smelting uses heat and a chemical reducing agent to decompose the ore, driving off other
Which Of The Following Is Desirable Properties In Metal Forming? Which of the following are desirable properties of the work material in metal forming? Properties such as high compressive strength, surface hardness, ductility, wear resistance, and reliability are desired in materials used for forming and have to be altered to meet specialized applications. Which of
What Resources Are In North Korea? North Korea contains the great bulk of all known mineral deposits on the peninsula. It is estimated that some 200 minerals are of economic value. Most important are iron ore and coal, although greater emphasis has been given to the extraction of gold, magnesite (magnesium carbonate), lead, and zinc.
What Are The Characteristics Of Powder Metallurgy Process? The main characteristics of metal powders include the particle size distribution, particle shape, the surface condition and the structure of the powder. These impact bulk properties such as reactivity, flow ability, compressibility, porosity and hardenability that all improves as the particle size gets smaller. What is density
What Minerals Does Mexico Export? Mexico’s globally significant mineral sector was dominated by hydrocarbons, and ranked first in the production of silver, bismuth (28% of the world’s total), and celestite (strontium mineral; 50% of world output); second in fluorspar (14% of world output); fourth in arsenic and graphite; fifth in molybdenum; among the … Is