USCG USCG GENNAV
Set 4 • Question #93 of 246
Launch Interactive Practice Room When there are small differences between the heights of two successive high tides or two low tides, in a tidal day, the tides are called __________.
A
diurnal
B
semidiurnal
✓ Correct Answer
C
solar
D
mixed
USCG NMC Regulatory Explanation
In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'When there are small differences between the heights of two successive high tides or two low tides, in a tidal day, the tides are called', the verified fact is: 'semidiurnal'.
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