Question 3412 Deck General
70% to passA jack-up drilling unit elevated on the Outer Continental Shelf must have a fog horn that will sound _______________.
A
a 2-second blast every 20 seconds
B
a 4-second blast every 20 seconds
C
an 8-second blast every 30 seconds
D
a 10-second blast every 30 seconds
AI Explanation
The correct answer is A) a 2-second blast every 20 seconds. This is the correct answer because the Code of Federal Regulations (CFR), specifically 33 CFR 67.10-10, requires that a jack-up drilling unit elevated on the Outer Continental Shelf must have a fog signal that emits a 2-second blast every 20 seconds. This regulation ensures that the fog signal is easily identifiable and provides consistent audible warning to vessels in the area. The other answer choices are incorrect as they do not match the regulatory requirement for the duration and interval of the fog signal on a jack-up drilling unit.
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