CHST TRENCHING SECTION EXAM QUESTIONS AND ANSWERS 2026 VERIFIED.

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CHST TRENCHING SECTION EXAM QUESTIONS AND ANSWERS 2026 VERIFIED.

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CHST TRENCHING SECTION EXAM QUESTIONS AND ANSWERS 2026 VERIFIED.

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CHST TRENCHING SECTION EXAM
QUESTIONS AND ANSWERS 2026
VERIFIED.

Do bull floats used around electrical conductors need multiple sections to prevent contact? -
ANS False

What must concrete buckets be designed to prevent? - ANS Concrete from hanging up on
the top and sides.

What must manually guided powered concrete trowels do when hands are removed? -
ANS Shut off automatically.

What is required for bulk storage bins, containers, and silos? - ANS Access hatch and
ladder for entry.

Is it safe to stand behind the jack during post-tensioning operations? - ANS False

Can workers stand under a concrete bucket while performing work? - ANS False

What is the requirement for a limited access zone for masonry? - ANS Only needed until
wall is braced.

1

, At what minimum height must masonry walls be braced? - ANS 8 feet.

When must shoring equipment be inspected? - ANS Immediately after concrete
placement.

Are sills and base plates required with all shoring equipment? - ANS True.

What is the most important requirement before entering a bulk storage bin? - ANS Safe
access.

Must all rebar be protected regardless of height? - ANS False.

Can a site supervisor determine if fresh concrete can support loads? - ANS False.

Who must design lift-slab operations? - ANS A competent person.

Who may be in the area during lifting of lift-slab operations? - ANS Only the immediate
lift-slab crew.

How must concrete buggy handles be designed? - ANS They must extend beyond the
wheels.

Do only hydraulic concrete buckets require safety latches? - ANS False.

What must rebar structures have during lifting? - ANS Support.

Which PPE is NOT required for pneumatic cement application? - ANS Leather apron.

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Uploaded on: April 23, 2026
Number of pages: 6
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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