NCCER Iron Worker Exam 2025 | Ironworker NCCER Exam
| Updated Questions and Correct Answers | Just Released
How should bolts on an 8-bolt flange be tightened? - (ANSWERS)In a star pattern
Pipe jack stands are... - (ANSWERS)Dangerous if used for a pipe size larger than
their size specifications
The next question refers to the graphic below: the kissing measurement for
dimension A is - (ANSWERS)1 foot 6 inchespjd
A valve is being rigged for installation in a vertical line. The valve should be rigged
so that the flange faces of the valve are... - (ANSWERS)Parallel
What does it mean to "two-block" a crane? - (ANSWERS)Use a block that makes
contact with the boom.
Which of the following flanges is frequently used for high-pressure and high-
temperature service? - (ANSWERS)Raised face
What is the square footage of the surface area of a steel plate measuring 120"x 48" -
(ANSWERS)48 square feet
A pipe has been threaded with a Rigid 535 machine and now threads are to be
checked with a fitting. How many turns are normally sufficient to check the threads?
- (ANSWERS)3 to 4 turns
Which off the following statements is true about a 6 inch, 300#full-face flange used
on a typical valve? - (ANSWERS)All of the bolts must be removed from the flange
to remove the gasket
Which is the preferred type of flange for piping that will be used in sever service
conditions? - (ANSWERS)Weld neck
1/2
| Updated Questions and Correct Answers | Just Released
How should bolts on an 8-bolt flange be tightened? - (ANSWERS)In a star pattern
Pipe jack stands are... - (ANSWERS)Dangerous if used for a pipe size larger than
their size specifications
The next question refers to the graphic below: the kissing measurement for
dimension A is - (ANSWERS)1 foot 6 inchespjd
A valve is being rigged for installation in a vertical line. The valve should be rigged
so that the flange faces of the valve are... - (ANSWERS)Parallel
What does it mean to "two-block" a crane? - (ANSWERS)Use a block that makes
contact with the boom.
Which of the following flanges is frequently used for high-pressure and high-
temperature service? - (ANSWERS)Raised face
What is the square footage of the surface area of a steel plate measuring 120"x 48" -
(ANSWERS)48 square feet
A pipe has been threaded with a Rigid 535 machine and now threads are to be
checked with a fitting. How many turns are normally sufficient to check the threads?
- (ANSWERS)3 to 4 turns
Which off the following statements is true about a 6 inch, 300#full-face flange used
on a typical valve? - (ANSWERS)All of the bolts must be removed from the flange
to remove the gasket
Which is the preferred type of flange for piping that will be used in sever service
conditions? - (ANSWERS)Weld neck
1/2
