UK CPCS Excavator Theory Exam Practice Questions - UK CPCS Excavator Theory Exam

What is the primary function of a 'Trench Box' or 'Trench Sheet' system?

To provide a dry working environment for personnel. To prevent the sides of an excavation from collapsing. To improve visibility of underground services. To allow for faster spoil removal.

Correct Answer:

To prevent the sides of an excavation from collapsing.

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