AL Tunnel Practice Questions - Alabama Tunnel Contractor Examination Exam

In tunneling, what is muck?

Grout injected behind a segmental lining Excavated material removed from the heading by rail, conveyor, slurry circuit, or similar means Compressed air used to hold a soft-ground face The steel skin of a shielded TBM

Correct Answer:

Excavated material removed from the heading by rail, conveyor, slurry circuit, or similar means

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