A _______________ Dredger essentially consist of sand pump which excavates and transport the bed material in one operation.(a) Hydraulic(b) Skimmer(c) Bucket ladder(d) GrabI had been asked this question in unit test.This intriguing question originated from Earth Compaction Equipments topic in chapter Construction Equipments of Construction & Building Materials

A _______________ Dredger essentially consist of sand pump which excav

1.	A _______________ Dredger essentially consist of sand pump which excavates and transport the bed material in one operation.(a) Hydraulic(b) Skimmer(c) Bucket ladder(d) GrabI had been asked this question in unit test.This intriguing question originated from Earth Compaction Equipments topic in chapter Construction Equipments of Construction & Building Materials
Answer» Correct choice is (a) Hydraulic The explanation is: The SUCTION pipe is provided at bottom with a cutter for hard MATERIAL. This type of dredger is ALSO known as suction dredger. A Hydraulic Dredger is unsuitable for OPEN see where the HEIGHT of sea waves exceeds 1200 mm.

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