In __________ type of cofferdam consists of a mixture of sand and clay which is filled in a bag and placed instead of earth or rock to form a cofferdam.
A. Cellular cofferdam
B. Earth dikes
C. Rock dikes
D. Sand-bag dikes
Answer:D
In __________ type of cofferdam consists of a mixture of sand and clay which is filled in a bag and placed instead of earth or rock to form a cofferdam.
A. Cellular cofferdam B. Earth dikes C. Rock dikes D. Sand-bag dikes