USCG USCG General Eng
Set 17 • Question #248 of 498
Launch Interactive Practice Room If a matching nut and bolt have a 'Class 4' or 'No. 4' fit, they will __________.
A
be loose and only suitable for rough construction work
B
be difficult to turn by hand but easy to turn with a wrench
✓ Correct Answer
C
require less torque than specifications call for
D
require a hydraulic torque wrench to obtain the specified torque
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'If a matching nut and bolt have a 'Class 4' or 'No. 4' fit, they will', the standard operating requirement is: 'be difficult to turn by hand but easy to turn with a wrench'.
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