30. A light illuminating a sector or very narrow angle and intended to mark a direction to be followed is known as _____. (A) sector light (B) directional light (C) danger light (D) range light

30. A light illuminating a sector or very narrow angle and intended to mark a direction to be followed is known as _____.
(A) sector light
(B) directional light
(C) danger light
(D) range light

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統計： A(4), B(58), C(16), D(10), E(0) #3414903

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6. What light signal shall be exhibited for a vessel engaged on pilotage duty while underway? (A) At or near the masthead, two all-round lights in a vertical line, the upper being red and the lower white. Sidelights and a sternlight. (B) At or near the masthead, two all-round lights in a vertical line, the upper being white and the lower red. Sidelights and a sternlight. (C) At or near the masthead, two all-round lights in a vertical line, the upper being green and the lower red. Sidelights and a sternlight. (D) At or near the masthead, two all-round lights in a vertical line, the upper being red and the lower green. Sidelights and a sternlight.

30. A light illuminating a sector or very narrow angle and intended to mark a direction to be followed is known as _____.
(A) sector light
(B) directional light
(C) danger light
(D) range light

詳解 (共 1 筆)

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