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_________________ type of excavator used for digging the foundation trenches below operating level.

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in Construction & Building Materials by (190k points)
_________________ type of excavator used for digging the foundation trenches below operating level.

(a) Clamshell

(b) Backactor

(c) Power shovel

(d) Skimmer

This question was addressed to me in an interview for internship.

Enquiry is from Excavating Equipments topic in portion Construction Equipments of Construction & Building Materials

1 Answer

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Best answer
Right option is (b) Backactor

Best explanation: Back trench hoe excavator can also be used for the excavation of smaller areas such as basement, footing and trenches. The hoe is an instrument for scrapping, digging and losing the earth.

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