Question 1
Under OSHA 29 CFR 1926 Subpart P, at what trench depth must a protective system be in place to guard workers from cave-ins?
Correct Answer:
5 feet or greater
Question 2
Which OSHA soil classification is the MOST stable cohesive soil with an unconfined compressive strength of 1.5 tons per square foot or greater?
Correct Answer:
Type A
Question 3
What is the MAXIMUM allowed slope ratio for the sides of a Type C soil excavation according to OSHA?
Correct Answer:
1-1/2 horizontal to 1 vertical
Question 4
How far from the edge of an excavation must spoil piles and other materials be kept?
Correct Answer:
At least 2 feet
Question 5
What is the maximum horizontal distance to a means of egress (ladder, ramp, or stairway) from any worker in a trench 4 feet or deeper?
Correct Answer:
25 feet
Question 1
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About this Exam

Prepare with the NCCER Pipelayer Practice Questions - NCCER Pipelayer Level 1 Exam practice quiz. This question bank includes 100 questions covering pipe, trench, osha, soil, and ductile. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NCCER Pipelayer Practice Questions - NCCER Pipelayer Level 1 Exam

This practice set contains 100 questions from the matching question bank and focuses on pipe, trench, osha, soil, and ductile. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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