Boilermaker NCCER Test Question
and Answer (2026) Grade A+
• At what angle is a chain fall usually used? -✓✓Vertical
• Pipeline PNID ask for what size the main line is -✓✓12"
• What does the PNID ask for material -✓✓A-335
• When attaching two pipes together what fitting is used? -✓✓Coupling
• When attaching two different pipe sizes together what fitting is used? -✓✓Bushing
• What is a tigger? -✓✓Winch
• What controls water in the towers? -✓✓(Distributors) internally installed above a
packed bed. Which performs the job in providing a finite liquid distribution over the
packed bed.
• What is the minimum rated tie off point? -✓✓5,000lbs
• What causes a kink in a wire sling? -✓✓Sling against a support/structure
• Where is the flame arrester located? -✓✓At the handle
• All of the following are examples of the internal many hardware except? -✓✓Slide
fastener
• The fitting that makes it easy to disassemble threaded pipe is? -✓✓Union
• What is the purpose of a gasket? -✓✓To create a seal between two stationary parts
• What is the first consideration when making a gasket? -✓✓Material compatibility
• Ring gaskets may be effected by all of the following except? -✓✓Number of bolts
• Which way should the teeth face on the hacksaw blade? -✓✓Away from handle
• The pressure of 1" and 10" pipe when both are 20' tall? -✓✓The pressure is both the
same
and Answer (2026) Grade A+
• At what angle is a chain fall usually used? -✓✓Vertical
• Pipeline PNID ask for what size the main line is -✓✓12"
• What does the PNID ask for material -✓✓A-335
• When attaching two pipes together what fitting is used? -✓✓Coupling
• When attaching two different pipe sizes together what fitting is used? -✓✓Bushing
• What is a tigger? -✓✓Winch
• What controls water in the towers? -✓✓(Distributors) internally installed above a
packed bed. Which performs the job in providing a finite liquid distribution over the
packed bed.
• What is the minimum rated tie off point? -✓✓5,000lbs
• What causes a kink in a wire sling? -✓✓Sling against a support/structure
• Where is the flame arrester located? -✓✓At the handle
• All of the following are examples of the internal many hardware except? -✓✓Slide
fastener
• The fitting that makes it easy to disassemble threaded pipe is? -✓✓Union
• What is the purpose of a gasket? -✓✓To create a seal between two stationary parts
• What is the first consideration when making a gasket? -✓✓Material compatibility
• Ring gaskets may be effected by all of the following except? -✓✓Number of bolts
• Which way should the teeth face on the hacksaw blade? -✓✓Away from handle
• The pressure of 1" and 10" pipe when both are 20' tall? -✓✓The pressure is both the
same
