(ETC) Engineering Technician Certification Practice Test
ETC - Engineering Technician Certification ETC ETC Construction Methods & Equipment
What is the primary purpose of shoring in an excavation?
Select your answer
A
To support the walls of an excavation and prevent cave-in
B
To pump groundwater from the trench
C
To compact the subgrade before pipe installation
D
To mark the limits of the excavation
Hint
