Question 19 of 30
In Direct connections of Piping fabrication, Slip-on welded joints are only be used for instrument lines and open-ended lines with an ___________
A
external diameter of 50 mm or more
B
internal diameter of 50 mm or more
C
internal diameter of 50 mm or less
D
external diameter of 50 mm or less
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Answer & Explanation
The correct answer is Option D: external diameter of 50 mm or less.
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