Question 9 of 30
How is cofferdam arranged?
A
With no gas detection and possibility for water filling upon detection of leakage
B
With no gas detection and no possibility for water filling upon detection of leakage
C
With gas detection and possibility for water filling upon detection of leakage
D
With gas detection and no possibility for water filling upon detection of leakage
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Answer & Explanation
The correct answer is Option C: With gas detection and possibility for water filling upon detection of leakage.
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