Which of the following lining material is useful for shield driven tunnels in sub aqueous regions? Options: A . &nbspStone masonry B . &nbspTimber C . &nbspCast iron D . &nbspCement concrete

Which of the following lining material is useful for shield driven tunnels in su

Question - Which of the following lining material is useful for shield driven tunnels in sub aqueous regions?

Options:

A . Stone masonry

B . Timber

C . Cast iron

D . Cement concrete

Answer: Option C

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