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Which of the following is not a method of quarrying?

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in Construction & Building Materials by (190k points)
Which of the following is not a method of quarrying?

(a) Smelting

(b) Digging

(c) Heating

(d) Blasting

The question was asked in unit test.

This interesting question is from Stones topic in portion Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials

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Best answer
Right answer is (a) Smelting

Best explanation: The various methods of quarrying are digging, heating, wedging and blasting. Before actually starting the quarry, it should be kept in mind to carefully examine the exposed surface of rock bed and it is essential to prepare a complete layout of different stages involved in the quarrying process.

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