USCG USCG General Eng
Set 3 • Question #295 of 498
Launch Interactive Practice Room Which of the following statements represents the difference between a four-jaw independent chuck and a three-jaw universal chuck?
A
The jaws on the three- jaw chuck can be individually adjusted.
B
The jaws on the four-jaw chuck can be individually adjusted.
✓ Correct Answer
C
The three-jaw chuck will hold square, round, and irregular shapes in either a concentric or an eccentric position.
D
Since the three-jaw universal chuck is automatically self- centering, it is always more accurate than the four-jaw independent chuck.
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'Which of the following statements represents the difference between a four-jaw independent chuck and a three-jaw universal chuck', the standard operating requirement is: 'The jaws on the four-jaw chuck can be individually adjusted.'.
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