A _______________ Dredger consists of an endless chain of bucket

a-dredger-consists-of-an-endless-chain-of-bucket

A _______________ Dredger consists of an endless chain of bucket mounted on a ladder
A. Bucket ladder
B. Dipper
C. Grab
D. Hydraulic
Correct option is A. Bucket ladder

The buckets are provided with a suitable cutting edge to facilitate digging. The material brought up by buckets is either drop directly into Hopper provided on the vessel or conveyed to the barges standing along side of the vessel.