27. 航行中船舶，所使用的一般無線電話，其頻帶下列何者正確？ (A) MF (B) HF (C) VHF (D) UHF

7. You are proceeding in fog and hear one prolonged blast every two minutes coming from ahead by a vessel approaching, which you have been tracking on your ARPA and know that there is a risk of a close quarter situation. What would be considered the appropriate action you should take? (A) You should take an alteration of course to port in ample time. (B) You should reduce to a minimum manoeuvring speed, navigate with extreme caution and keep your engines ready to stop. (C) You should alter course 15 degrees to starboard. (D) You should make a series of small alteration to starboard.

27. 航行中船舶，所使用的一般無線電話，其頻帶下列何者正確？
(A) MF
(B) HF
(C) VHF
(D) UHF

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