Q177
Which tunnel encountered methane gas hazards during construction?
A.
Hsuehshan Tunnel (Taiwan)
AnswerB.
Channel Tunnel
C.
Banihal Tunnel
D.
Sela Tunnel
Answer: Option A
Solution
Answer: Option A
Solution:
The Hsuehshan Tunnel in Taiwan experienced methane gas pockets, posing explosive risks. Continuous gas monitoring and ventilation were necessary for safe construction.