USCG USCG GENNAV
Set 1 • Question #22 of 246
Launch Interactive Practice Room Prior to reading an aneroid barometer, you should tap the face lightly with your finger to __________.
A
expose any loose connections
B
demagnetize the metal elements
C
bring the pointer to its true position
✓ Correct Answer
D
contract and expand the glass face
USCG NMC Regulatory Explanation
In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'Prior to reading an aneroid barometer, you should tap the face lightly with your finger to', the verified fact is: 'bring the pointer to its true position'.
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