5. What is the meaning of “prolonged blast”?
(A) A blast of about one second’s duration.
(B) A blast of from two to three second’s duration.
(C) A blast of from four to six second’s duration.
(D) A blast of from eight to ten second’s duration.

1. 依國際海事電信聯合會(ITU)規定，何種頻段使用在船舶無線電話，其發射功率不得超過 1.5KW？ (A) 2000KHZ 至 25500KHZ (B) 3000KHZ 至 26500KHZ (C) 4000KHZ 至 27500KHZ (D) 5000KHZ 至 28500KHZ

2. 於船舶無線電通信中，若發射標識為 J3E，則其代表何種意義？ (A) 單路頻率調變 (B) 單路相位調變 (C) 單邊帶全載波 (D) 單邊帶遏止載波

3. GMDSS 系統的無線電通信操作中，至少要有幾種分離且獨立之方法，以供船 對岸傳送遇險警示？ (A) 1 (B) 2 (C) 3 (D) 4

4. ___________ is very important for preventing the formation of goods or ship sweat which could cause damage to cargoes. (A) Illumination (B) Ventilation (C) Stability (D) Calibration

6. Which of the followings is driven by electricity and it point to the true north for indicating the direction? (A) Radar. (B) GPS. (C) Gyro compass. (D) Magnetic compass.

7. A vessel is proceeding in poor visibility and a target detected on radar screen with a collision course. What is not the recommended action to be taken in this situation? (A) Take action in ample time and avoid a series of small alteration of course. (B) Avoid an alteration of course to port for a vessel forward of the beam, other than for a vessel being overtaken. (C) Avoid an alteration of course towards a vessel abeam or abaft the beam. (D) Maintain course and speed.

8. What is the function of nautical almanac? (A) To provide the information of the landscape. (B) To provide the weather information. (C) To provide the navigational information. (D) To provide the information of celestial bodies.

9. What is the function of bow thruster? (A) To push ship’s bow to port or starboard. (B) To steady ship’s bow. (C) To decrease ship’s speed. (D) To stop the ship in emergency.

10. 依 GMDSS 系統規定，下種何種設備，其發射台每次發送信文之時間約十分 鐘？ (A) NAVTEX (B) INMARSAT (C) HF+NBDP (D) MF+DSC

11. GMDSS 系統中那種岸台通信設備，其配置於每個航行警告區至多 24 個發射 台，下列何者正確？ (A) INMARSAT (B) HF+NBDP (C) MF+DSC (D) NAVTEX