USCG USCG General Eng
Set 13 • Question #130 of 498
Launch Interactive Practice Room A The number of screw threads per inch for a Standard National Coarse 1/2 inch bolt is __________.
A
13
✓ Correct Answer
B
16
C
18
D
20
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'A The number of screw threads per inch for a Standard National Coarse 1/2 inch bolt is', the standard operating requirement is: '13'.
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