Consider the following operations: 1. Drilling 2. Blasting 3. Mucking 4. Placing steel 5. Placing concrete The correct sequence of these operations in tunnel construction is

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Q. Consider the following operations: 1. Drilling 2. Blasting 3. Mucking 4. Placing steel 5. Placing concrete The correct sequence of these operations in tunnel construction is

(A) 1, 2, 4, 3, 5
(B) 1, 3, 2, 4, 5
(C) 1, 2, 3, 4, 5
(D) 1, 3, 4, 2, 5

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✅ Correct Answer: (C) 1, 2, 3, 4, 5

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