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Q: Which of the following stone is mined easily by digging and excavating method of stone quarrying?
  • A. Marble
  • B. Laterite
  • C. Sandstone
  • D. Limestone
Correct Answer: Option B - Quarrying– • The purpose of quarrying is to obtain stones for various engineering purposes. • The quarrying is done by excavating, wedging, heating or blasting. Method of quarrying Stone 1. Excavating Laterite 2. Wedging Sandstone, limestone, marble, slate 3. Heating or blasting Granite, gneiss.
B. Quarrying– • The purpose of quarrying is to obtain stones for various engineering purposes. • The quarrying is done by excavating, wedging, heating or blasting. Method of quarrying Stone 1. Excavating Laterite 2. Wedging Sandstone, limestone, marble, slate 3. Heating or blasting Granite, gneiss.

Explanations:

Quarrying– • The purpose of quarrying is to obtain stones for various engineering purposes. • The quarrying is done by excavating, wedging, heating or blasting. Method of quarrying Stone 1. Excavating Laterite 2. Wedging Sandstone, limestone, marble, slate 3. Heating or blasting Granite, gneiss.