Question 1
What is the standard wall thickness designation for Schedule 40 carbon steel pipe?
Correct Answer:
Standard wall
Question 2
What type of fitting is used to connect two pipes of different diameters in a straight run?
Correct Answer:
Reducer
Question 3
What is the standard thread angle for American National Pipe Thread (NPT)?
Correct Answer:
60 degrees
Question 4
When threading pipe, what is the purpose of applying cutting oil?
Correct Answer:
To lubricate and cool the die, extending its life and producing cleaner threads
Question 5
What is the purpose of a gate valve?
Correct Answer:
To provide full-open or full-closed service with minimal flow restriction
Question 1
Exam overview

About this Exam

Prepare with the NCCER Pipefitter Practice Questions - NCCER Pipefitter Certification Exam practice quiz. This question bank includes 100 questions covering pipe, piping, welding, valve, and sling. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NCCER Pipefitter Practice Questions - NCCER Pipefitter Certification Exam

This practice set contains 100 questions from the matching question bank and focuses on pipe, piping, welding, valve, and sling. 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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