Category: Teachers

Identification of Gemstones

Mention the effective methods of gemstone identification.
Identify common varieties of gemstones in hand specimen and under the microscope.

Extractive Metallurgy

Explain extractive metallurgy as process of extracting metals of ore.
Name processes of metal extraction i.e. pyro metallurgy, hydrometallurgy and electrometallurgy.

Mineral Concentration

Explain concentration as separation of mineral of interest or valuable material from waste or gangue.
Discuss the properties on which mineral concentration is based.
Name main methods of mineral concentration e.g. gravity, magnetic floatation.

Crushing and Grinding

Explain crushing in mining industry
Explain grinding in mining industry
Explain the role of crushing and grinding as prelude to mineral concentration.
Name different stages of crushing and grinding i.e. primary, secondary and tertiary.
Name the various equipment used in crushing and grinding e.g. jaw crusher, gyratory crusher, ball mill, rod mill.

Quarrying

Explain the meaning of a quarry.
Name the various products of a quarry e.g. dimension stones, aggregates.
Identify the users of the products from a quarry industry.
Name the unit operations of a quarry industry
Draw flow sheets of the production of aggregates and dimension stones.

Materials Handling Equipment

Explain what material handling is.
Name mine materials handling equipment e.g. conveyor belt, trucks, pay-loader.

Underground Mining

Explain the features of an underground mine.
Give a sketch of an underground mine showing shafts and levels.

Open-Cast Mining

Identify open cast as a surface mine
Explains the features of an open pit mine.
Give a sketch of an open cast mine.
Identify minerals that are mined in open cast mines.

Open-Pit Mining

Identify open pit as a surface mine.
Explain the features of an open pit mine.
Give a sketch of an open pit mine.
Identify minerals that are mined in open pit mines.

Metal Extraction

Explain metal extraction
List processes of metal extraction from ores.

Minerals; Rocks and Weathering

Name and explain the three major types of weathering processes (Physical, chemical and biological).
Mention the various products of weathering.

Structure in Rocks

Recognize and describe structures in rocks (such as folds, fault, joints, etc.)
Explain how rocks are deformed and their significance.
Take measurements of strike and dip of rock structures.